Standard Lemma guide

envelope

noun · verb · 19 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈɛnvə(ˌ)ləʊp/
  • Received-Pronunciation: /ˈɒnvə(ˌ)ləʊp/
  • Received-Pronunciation: /ˈɒnvləʊp/ chiefly a wrapping
  • Received-Pronunciation: /ˈɑ̃və(ˌ)ləʊp/
  • UK: Recorded audio is listed in the source snapshot.
  • UK: Recorded audio is listed in the source snapshot.
  • General-American: ĕn′vəlōp'
  • General-American: än′vəlōp'
  • General-American: /ˈɛnvə(ˌ)loʊp/
  • General-American: /ˈɑn-/
  • California: Recorded audio is listed in the source snapshot.
  • California: Recorded audio is listed in the source snapshot.
  • ĕn-vĕl'əp
  • /ɛnˈvɛləp/
  • CMU ARPABET: EH1 N V AH0 L OW2 P Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Something that envelops; a wrapping.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: wrapper

Antonyms: none provided

3

noun

Meaning 3

A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gasbag

Antonyms: none provided

4

noun

Meaning 4

A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.

Definition source: English Wiktionary via Wiktextract

Topics: business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The shape of a sound, which may be controlled by a synthesizer or sampler.

Definition source: English Wiktionary via Wiktextract

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

The information used for routing a message that is transmitted with the message but not part of its contents.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, networking, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: header

Antonyms: none provided

8

noun

Meaning 8

An enclosing structure or cover, such as a membrane; a space between two membranes

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

The set of limitations within which a technological system can perform safely and effectively.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences

Examples

  • push the envelope

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

The nebulous covering of the head or nucleus of a comet; a coma.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

noun

Meaning 11

An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

verb

Meaning 12

To put (something) in an envelope.

Definition source: English Wiktionary via Wiktextract

Usage: rare, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

verb

Meaning 13

Archaic form of envelop.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, archaic

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

noun

Meaning 14

any wrapper or covering

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: wrapping, wrap, wrapper

15

noun

Meaning 15

a flat (usually rectangular) container for a letter, thin package, etc.

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: container

Narrower terms: window envelope

16

noun

Meaning 16

the bag containing the gas in a balloon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gasbag

Antonyms: none provided

Broader terms: bag

17

noun

Meaning 17

the maximum operating capability of a system (especially an aircraft)

Definition source: Princeton WordNet 3.0

Examples

  • test pilots try to push the envelope

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: operating capability, performance capability

18

noun

Meaning 18

a natural covering (as by a fluid)

Definition source: Princeton WordNet 3.0

Examples

  • the spacecraft detected an envelope of gas around the comet

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: covering, natural covering, cover

19

noun

Meaning 19

a curve that is tangent to each of a family of curves

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: curve, curved shape

History

Etymology

PIE word *h1én From French enveloppe. The engineering sense is derived from flight envelope. The verb is from the noun.

See envelop.

Across languages

Translations

196 source translations are retained for this English entry.

  • Albanian: zarf — wrapper for mailing
  • Amharic: አምቦልክ (ʾämbolk) — wrapper for mailing
  • Arabic: مُغَلَّف (muḡallaf) — wrapper for mailing
  • Arabic: لِفَافَة (lifāfa) — wrapper for mailing
  • Arabic: ظرف (ẓarf) — wrapper for mailing
  • Arabic: ظرف (ẓarf) — wrapper for mailing
  • Assyrian Neo-Aramaic: ܠܦܵܦܵܐ (lpāpā) — wrapper for mailing
  • Armenian: ծրար (crar) — wrapper for mailing
  • Assamese: খাম (kham) — wrapper for mailing
  • Asturian: sobre — wrapper for mailing
  • Azerbaijani: zərf — wrapper for mailing
  • Azerbaijani: konvert — wrapper for mailing
  • Basque: sobre — wrapper for mailing
  • Belarusian: канве́рт (kanvjért) — wrapper for mailing
  • Bengali: খাম (kham) — wrapper for mailing
  • Bengali: লেফাফা (lephapha) — wrapper for mailing
  • Bulgarian: плик (plik) — wrapper for mailing
  • Burmese: စာအိတ် (cait) — wrapper for mailing
  • Catalan: sobre — wrapper for mailing
  • Catalan: sobre de carta — wrapper for mailing
  • Chinese Cantonese: 信封 (seon3 fung1) — wrapper for mailing
  • Chinese: 批囊 (zh-min-nan) — wrapper for mailing
  • Chinese Mandarin: 信封 (xìnfēng) — wrapper for mailing
  • Ngazidja Comorian: ɓahasha — wrapper for mailing
  • Czech: obálka — wrapper for mailing
  • Danish: kuvert — wrapper for mailing
  • Danish: konvolut — wrapper for mailing
  • Dutch: envelop — wrapper for mailing
  • Dutch: briefomslag — wrapper for mailing
  • Esperanto: koverto — wrapper for mailing
  • Estonian: ümbrik — wrapper for mailing
  • Ewe: akpa — wrapper for mailing
  • Finnish: kirjekuori — wrapper for mailing
  • French: enveloppe — wrapper for mailing
  • Galician: sobre — wrapper for mailing
  • Georgian: კონვერტი (ḳonverṭi) — wrapper for mailing
  • German: Briefumschlag — wrapper for mailing
  • German: Umschlag — wrapper for mailing
  • Greek: φάκελος (fákelos) — wrapper for mailing
  • Gujarati: પરબીડિયું (parbīḍiyũ) — wrapper for mailing
  • Hebrew: מַעֲטָפָה (ma'atafá) — wrapper for mailing
  • Hindi: लिफ़ाफ़ा (lifāfā) — wrapper for mailing
  • Hindi: लिफाफा (liphāphā) — wrapper for mailing
  • Hungarian: boríték — wrapper for mailing
  • Hungarian: levélboríték — wrapper for mailing
  • Icelandic: umslag — wrapper for mailing
  • Ido: kuverto — wrapper for mailing
  • Indonesian: amplop — wrapper for mailing
  • Ingrian: konvertti — wrapper for mailing
  • Interlingua: inveloppe — wrapper for mailing
  • Irish: clúdach litreach — wrapper for mailing
  • Irish: clúdach — wrapper for mailing
  • Italian: busta — wrapper for mailing
  • Japanese: 封筒 (fūtō) — wrapper for mailing
  • Kannada: ಲಕೋಟೆ (lakōṭe) — wrapper for mailing
  • Kazakh: конверт (konvert) — wrapper for mailing
  • Khmer: ស្រោមសំបុត្រ (sraom sɑmbot) — wrapper for mailing
  • Korean: 봉투 (bongtu) — wrapper for mailing
  • Northern Kurdish: zerf — wrapper for mailing
  • Kyrgyz: конверт (konvert) — wrapper for mailing
  • Lao: ຊອງຫນັງສື (sǭng nang sư̄) — wrapper for mailing
  • Lao: ຊອງຈົດຫມາຍ (sǭng chot māi) — wrapper for mailing
  • Latin: thēca — wrapper for mailing
  • Latvian: aploksne — wrapper for mailing
  • Lithuanian: vokas — wrapper for mailing
  • : ᦏᦳᧂᦟᦻ (ṫhunglaay) — wrapper for mailing
  • Luxembourgish: Enveloppe — wrapper for mailing
  • Macedonian: плик (plik) — wrapper for mailing
  • Macedonian: коверт (kovert) — wrapper for mailing
  • Malay: sampul surat — wrapper for mailing
  • Malay: sampul — wrapper for mailing
  • Malayalam: ലക്കോട്ട് (lakkōṭṭŭ) — wrapper for mailing
  • Māori: kōpaki — wrapper for mailing
  • Marathi: लिफाफा (liphāphā) — wrapper for mailing
  • Mongolian: ороолт (oroolt) — wrapper for mailing
  • Mongolian: дугтуй (dugtuj) — wrapper for mailing
  • Norman: env'loppe — wrapper for mailing
  • Norwegian Bokmål: konvolutt — wrapper for mailing
  • Occitan: envolopa — wrapper for mailing
  • Odia: ଲିଭୋପା (libhopā) — wrapper for mailing
  • Palauan: huto — wrapper for mailing
  • Pashto: پاکټ (pākaṭ) — wrapper for mailing
  • Iranian Persian: پاکَت (pâkat) — wrapper for mailing
  • Iranian Persian: لِفاف (lefâf) — wrapper for mailing
  • Iranian Persian: پاکَتِ نامِه (pâkat-e nâme) — wrapper for mailing
  • Plautdietsch: Kwarkj — wrapper for mailing
  • Polish: koperta — wrapper for mailing
  • Portuguese: envelope — wrapper for mailing
  • Punjabi: ਲਿਫ਼ਾਫ਼ਾ (lifāfā) — wrapper for mailing
  • Romanian: plic — wrapper for mailing
  • Russian: конве́рт (konvért) — wrapper for mailing
  • Scottish Gaelic: cèis — wrapper for mailing
  • Scottish Gaelic: cèis-litreach — wrapper for mailing
  • Serbo-Croatian: о̀мотница — wrapper for mailing
  • Serbo-Croatian: ко̀ве̄рта — wrapper for mailing
  • Serbo-Croatian: коверат — wrapper for mailing
  • Serbo-Croatian: òmotnica — wrapper for mailing
  • Serbo-Croatian: kòvērta — wrapper for mailing
  • Serbo-Croatian: koverat — wrapper for mailing
  • Slovak: obálka — wrapper for mailing
  • Slovene: ovojnica — wrapper for mailing
  • Spanish: sobre — wrapper for mailing
  • Spanish: envelop — wrapper for mailing
  • Spanish: sobrescrito — wrapper for mailing
  • Spanish: sobrescripto (disused) — wrapper for mailing
  • Swahili: bahasha — wrapper for mailing
  • Swedish: kuvert — wrapper for mailing
  • Swedish: konvolut — wrapper for mailing
  • Tagalog: sobre — wrapper for mailing
  • Tajik: лифофа (lifofa) — wrapper for mailing
  • Tajik: пакет (paket) — wrapper for mailing
  • Tamil: உறை (uṟai) — wrapper for mailing
  • Tamil: கடித உறை (kaṭita uṟai) — wrapper for mailing
  • Tatar: конверт (qönwert) — wrapper for mailing
  • Telugu: కవరు (kavaru) — wrapper for mailing
  • Thai: ซองจดหมาย (sɔɔng-jòt-mǎai) — wrapper for mailing
  • Thai: ซอง (sɔɔng) — wrapper for mailing
  • Tibetan: ཡིག་སྐོག (yig skog) — wrapper for mailing
  • Tigrinya: ሰታሪት (sätarit) — wrapper for mailing
  • Turkish: zarf — wrapper for mailing
  • Turkmen: bukja — wrapper for mailing
  • Ukrainian: конве́рт (konvért) — wrapper for mailing
  • Urdu: لِفافَہ (lifāfa) — wrapper for mailing
  • Uyghur: كونۋېرت (konwërt) — wrapper for mailing
  • Uzbek: konvert — wrapper for mailing
  • Vietnamese: phong bì — wrapper for mailing
  • Vietnamese: bao thư — wrapper for mailing
  • Welsh: amlen — wrapper for mailing
  • Yiddish: קאָנווערט (konvert) — wrapper for mailing
  • Arabic: غِلَاف (ḡilāf) — something that envelops
  • Belarusian: абго́ртка (abhórtka) — something that envelops
  • Bulgarian: обви́вка (obvívka) — something that envelops
  • Dutch: omslag — something that envelops
  • Finnish: kääre — something that envelops
  • Finnish: päällys — something that envelops
  • Finnish: kuori — something that envelops
  • German: Umschlag — something that envelops
  • Greek: περίβλημα (perívlima) — something that envelops
  • Latin: involūcrum — something that envelops
  • Macedonian: обвивка (obvivka) — something that envelops
  • Malay: pembungkus — something that envelops
  • Malay: sampul — something that envelops
  • Malay: sarung — something that envelops
  • Māori: kōpaki — something that envelops
  • Polish: otoczka — something that envelops
  • Polish: powłoka — something that envelops
  • Portuguese: invólucro — something that envelops
  • Romanian: învelitură — something that envelops
  • Romanian: înveliș — something that envelops
  • Russian: обёртка (objórtka) — something that envelops
  • Sanskrit: उल्ब (ulba) — something that envelops
  • Serbo-Croatian: омо̀та̄ч — something that envelops
  • Serbo-Croatian: omòtāč — something that envelops
  • Swedish: konvolut — something that envelops
  • Swedish: omslag — something that envelops
  • Ottoman Turkish: زار (zar) — something that envelops
  • Ukrainian: обго́ртка (obhórtka) — something that envelops
  • Ukrainian: заго́ртка (zahórtka) — something that envelops
  • Belarusian: абало́нка (abalónka) — bag containing the lifting gas
  • Finnish: kuori — bag containing the lifting gas
  • German: Hülle — bag containing the lifting gas
  • Portuguese: envelope — bag containing the lifting gas
  • Romanian: sac — bag containing the lifting gas
  • Romanian: pungă — bag containing the lifting gas
  • Russian: оболо́чка (obolóčka) — bag containing the lifting gas
  • Swedish: hölje — bag containing the lifting gas
  • Ukrainian: оболо́нка (obolónka) — bag containing the lifting gas
  • Finnish: vaippa — geometry: object that is the tangent to a family of objects
  • French: enveloppe — geometry: object that is the tangent to a family of objects
  • German: Hüllkurve — geometry: object that is the tangent to a family of objects
  • Greek: περιβάλλουσα (perivállousa) — geometry: object that is the tangent to a family of objects
  • Polish: obwiednia — geometry: object that is the tangent to a family of objects
  • Romanian: anvelopă — geometry: object that is the tangent to a family of objects
  • Romanian: înfășurătoare — geometry: object that is the tangent to a family of objects
  • Russian: огиба́ющая (ogibájuščaja) — geometry: object that is the tangent to a family of objects
  • Tagalog: bilot — geometry: object that is the tangent to a family of objects
  • Catalan: envolupant — electronics: curve that bounds a set of curves
  • Estonian: mähisjoon — electronics: curve that bounds a set of curves
  • Finnish: verhokäyrä — electronics: curve that bounds a set of curves
  • Polish: obwiednia — electronics: curve that bounds a set of curves
  • Russian: огиба́ющая (ogibájuščaja) — electronics: curve that bounds a set of curves
  • Catalan: envolupant — music: shape of a sound
  • Finnish: verhokäyrä — music: shape of a sound
  • Japanese: エンベロープ (enberōpu) — music: shape of a sound
  • Polish: obwiednia — music: shape of a sound
  • Russian: огиба́ющая (ogibájuščaja) — music: shape of a sound
  • Finnish: kirjekuori — computing: routing information of an email
  • Belarusian: абало́нка (abalónka) — biology: enclosing structure or cover
  • Finnish: kuori — biology: enclosing structure or cover
  • Greek: περιχιτώνιο (perichitónio) — biology: enclosing structure or cover
  • Greek: περίβλημα (perívlima) — biology: enclosing structure or cover
  • Romanian: înveliș — biology: enclosing structure or cover
  • Russian: оболо́чка (obolóčka) — biology: enclosing structure or cover
  • Ukrainian: оболо́нка (obolónka) — biology: enclosing structure or cover
  • Finnish: rajakäyrä — engineering: limits within which a technological system can perform safely and effectively
  • Greek: κέλυφος (kélyfos) — engineering: limits within which a technological system can perform safely and effectively
Real reading context

envelope in complete knowledge articles