Standard Lemma guide

ephemeral

adj · noun · 6 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.

  • /ɛˈfɛ.mə.ɹəl/
  • /əˈfɛ.mə.ɹəl/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: IH0 F EH1 M ER0 AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Lasting for a short period of time.

Definition source: English Wiktionary via Wiktextract

Examples

  • 1821-1822, Vicesimus Knox, Remarks on the tendency of certain Clauses in a Bill now pending in Parliament to degrade Grammar Schools Esteem, lasting esteem, the esteem of good men, like himself, will be his reward, when the gale of ephemeral popularity shall have gradually subsided.

Meaning relationships

Synonyms: temporary, transitory, fleeting, evanescent, momentary, short-lived, short, volatile

Antonyms: permanent, eternal, everlasting, timeless

2

adj

Meaning 2

Existing for only one day, as with some flowers, insects, and diseases.

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

3

adj

Meaning 3

Usually dry, but filling with water for brief periods during and after precipitation.

Definition source: English Wiktionary via Wiktextract

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Something which lasts for a short period of time.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ephemeron

Antonyms: none provided

5

adjective satellite

Meaning 5

lasting a very short time

Definition source: Princeton WordNet 3.0

Examples

  • the ephemeral joys of childhood
  • a passing fancy
  • youth's transient beauty
  • love is transitory but it is eternal
  • fugacious blossoms

Meaning relationships

Synonyms: passing, short-lived, transient, transitory, fugacious

Antonyms: none provided

6

noun

Meaning 6

anything short-lived, as an insect that lives only for a day in its winged form

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ephemeron

Antonyms: none provided

Broader terms: insect

History

Etymology

From New Latin ephemerus, from Ancient Greek ἐφήμερος (ephḗmeros), the more common form of ἐφημέριος (ephēmérios, “of, for, or during the day, living or lasting but for a day, short-lived, temporary”), from ἐπί (epí, “on”) + ἡμέρα (hēméra, “day”).

Across languages

Translations

106 source translations are retained for this English entry.

  • Armenian: վաղանցիկ (vaġancʻik) — lasting for a short period of time
  • Armenian: անցողիկ (ancʻoġik) — lasting for a short period of time
  • Belarusian: эфемерны (efjemjerny) — lasting for a short period of time
  • Belarusian: мінучы (minučy) — lasting for a short period of time
  • Belarusian: недаўгавечны (njedawhavječny) — lasting for a short period of time
  • Belarusian: мімалётны (mimaljótny) — lasting for a short period of time
  • Bulgarian: краткотраен (kratkotraen) — lasting for a short period of time
  • Bulgarian: мимолетен (mimoleten) — lasting for a short period of time
  • Catalan: efímer — lasting for a short period of time
  • Chinese Cantonese: 短暫嘅 /短暂嘅 (dyun2 zaam6 ge3) — lasting for a short period of time
  • Chinese Cantonese: 一時嘅 /一时嘅 (jat1 si4 ge3) — lasting for a short period of time
  • Chinese Mandarin: 短暫的 /短暂的 (duǎnzàn de) — lasting for a short period of time
  • Chinese Mandarin: 一時的 /一时的 (yīshí de) — lasting for a short period of time
  • Czech: dočasný — lasting for a short period of time
  • Czech: krátkodobý — lasting for a short period of time
  • Czech: efemerní — lasting for a short period of time
  • Danish: midlertidig — lasting for a short period of time
  • Danish: kortlivet — lasting for a short period of time
  • Dutch: vergankelijk — lasting for a short period of time
  • Dutch: kortstondig — lasting for a short period of time
  • Dutch: vluchtig — lasting for a short period of time
  • Esperanto: efemera momenta — lasting for a short period of time
  • Finnish: lyhytaikainen — lasting for a short period of time
  • Finnish: hetkellinen — lasting for a short period of time
  • Finnish: ohimenevä — lasting for a short period of time
  • French: éphémère — lasting for a short period of time
  • Galician: efémero — lasting for a short period of time
  • German: flüchtig — lasting for a short period of time
  • German: kurzlebig — lasting for a short period of time
  • German: vergänglich — lasting for a short period of time
  • German: ephemer — lasting for a short period of time
  • Greek: εφήμερος (efímeros) — lasting for a short period of time
  • Hebrew: בֶּן חֲלוֹף (bén khalóf) — lasting for a short period of time
  • Hindi: क्षणभंगुर (kṣaṇbhaṅgur) — lasting for a short period of time
  • Hungarian: kérészéletű — lasting for a short period of time
  • Hungarian: efemer — lasting for a short period of time
  • Hungarian: röpke — lasting for a short period of time
  • Icelandic: skammvinnur — lasting for a short period of time
  • Icelandic: skammær — lasting for a short period of time
  • Icelandic: skammlífur — lasting for a short period of time
  • Icelandic: hverfull — lasting for a short period of time
  • Indonesian: fana — lasting for a short period of time
  • Irish: breacshaolach — lasting for a short period of time
  • Irish: gearrshaolach — lasting for a short period of time
  • Italian: effimero — lasting for a short period of time
  • Italian: passeggero — lasting for a short period of time
  • Italian: fuggevole — lasting for a short period of time
  • Italian: transitorio — lasting for a short period of time
  • Italian: fugace — lasting for a short period of time
  • Japanese: はかない (hakanai) — lasting for a short period of time
  • Japanese: 束の間の (tsukanoma no) — lasting for a short period of time
  • Japanese: 泡沫 (utakata) — lasting for a short period of time
  • Korean: 재지 않는 (jaeji anneun) — lasting for a short period of time
  • Northern Kurdish: demkî — lasting for a short period of time
  • Macedonian: кратко́траен (kratkótraen) — lasting for a short period of time
  • Māori: rangitahi — lasting for a short period of time
  • Norwegian: kortvarig — lasting for a short period of time
  • Occitan: efemèr — lasting for a short period of time
  • Polish: ulotny — lasting for a short period of time
  • Polish: efemeryczny — lasting for a short period of time
  • Brazilian Portuguese: efêmero — lasting for a short period of time
  • European Portuguese: efémero — lasting for a short period of time
  • Romanian: efemer — lasting for a short period of time
  • Romanian: trecător — lasting for a short period of time
  • Russian: эфеме́рный (efemérnyj) — lasting for a short period of time
  • Russian: преходящий (prexodjaščij) — lasting for a short period of time
  • Russian: мимолётный (mimoljótnyj) — lasting for a short period of time
  • Russian: недолговечный (nedolgovečnyj) — lasting for a short period of time
  • Russian: непродолжительный (neprodolžitelʹnyj) — lasting for a short period of time
  • Serbo-Croatian: ȅfemēran — lasting for a short period of time
  • Serbo-Croatian: krȁtkotrājan — lasting for a short period of time
  • Serbo-Croatian: prìvremen — lasting for a short period of time
  • Slovene: kratkotrajen — lasting for a short period of time
  • Slovene: začasen — lasting for a short period of time
  • Spanish: efímero — lasting for a short period of time
  • Swedish: flyktig — lasting for a short period of time
  • Swedish: efemär — lasting for a short period of time
  • Swedish: förgänglig — lasting for a short period of time
  • Swedish: kortlivad — lasting for a short period of time
  • Turkish: efemera — lasting for a short period of time
  • Ukrainian: ефемерний (efemernyj) — lasting for a short period of time
  • Ukrainian: швидкоплинний (švydkoplynnyj) — lasting for a short period of time
  • Welsh: byrhoedlog — lasting for a short period of time
  • Welsh: undydd — lasting for a short period of time
  • Bulgarian: еднодневен (ednodneven) — existing for only one day
  • Catalan: efímer — existing for only one day
  • Chinese Mandarin: 朝生暮死的 — existing for only one day
  • Chinese Mandarin: 昙花一现的 — existing for only one day
  • Danish: døgnflue — existing for only one day
  • Dutch: eendaags — existing for only one day
  • Dutch: eendags — existing for only one day
  • Finnish: päivä- — existing for only one day
  • Finnish: päivän- — existing for only one day
  • Finnish: päivän kestävä — existing for only one day
  • German: Eintags- — existing for only one day
  • Greek: εφήμερος (efímeros) — existing for only one day
  • Hungarian: tiszavirág-életű — existing for only one day
  • Icelandic: dægurlangur — existing for only one day
  • Macedonian: едно́дневен (ednódneven) — existing for only one day
  • Māori: rangitahi — existing for only one day
  • Polish: efemeryczny — existing for only one day
  • Romanian: efemer — existing for only one day
  • Russian: однодневный (odnodnevnyj) — existing for only one day
  • Serbo-Croatian: ȅfemēran — existing for only one day
  • Ukrainian: одноденний (odnodennyj) — existing for only one day
  • Welsh: undydd — existing for only one day