Standard Lemma guide

diphthong

noun · 4 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.

  • UK: /ˈdɪfˌθɒŋ(ɡ)/
  • UK: /ˈdɪpˌθɒŋ(ɡ)/
  • US: /ˈdɪpˌθɔŋ/
  • US: /ˈdɪfˌθɔŋ/
  • US, cot-caught-merger: /ˈdɪpˌθɑŋ/
  • US: /ˈdɪfˌθɑŋ/
  • US: Recorded audio is listed in the source snapshot.
  • Canada: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪfθɔŋ
  • rhymes with -ɪpθɔŋ
  • rhymes with -ɪfθɑŋ
  • rhymes with -ɪpθɑŋ
  • CMU ARPABET: D IH1 F TH AO2 NG Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A complex vowel sound that begins with the sound of one vowel and ends with the sound of another vowel, in the same syllable.

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, linguistics, phonology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gliding vowel

Antonyms: none provided

2

noun

Meaning 2

A diaphoneme realized as a two-target vowel in some but not necessarily all dialects.

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, linguistics, phonology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A vowel digraph or ligature.

Definition source: English Wiktionary via Wiktextract

Usage: rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a vowel sound that starts near the articulatory position for one vowel and moves toward the position for another

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: vowel, vowel sound

History

Etymology

PIE word *dwóh1 Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Hellenic *dwi- Ancient Greek δι- (di-) Ancient Greek φθέγγομαι (phthéngomai) Ancient Greek φθόγγος (phthóngos) Ancient Greek δῐ́φθογγος (dĭ́phthongos)der. Latin diphthongusbor. French diphtongueder. English diphthong From French diphtongue, from Late Latin diphthongus, from Ancient Greek δίφθογγος (díphthongos, “two sounds”), from δίς (dís, “twice”) + φθόγγος (phthóngos, “sound”).

Across languages

Translations

114 source translations are retained for this English entry.

  • Afrikaans: diftong — complex vowel sound
  • Afrikaans: tweeklank — complex vowel sound
  • Arabic: مُصَوِّت مُزْدَوِج (muṣawwit muzdawij) — complex vowel sound
  • Aragonese: diftongo — complex vowel sound
  • Armenian: երկբարբառ (erkbarbaṙ) — complex vowel sound
  • Asturian: diptongu — complex vowel sound
  • Basque: diptongo — complex vowel sound
  • Belarusian: дыфто́нг (dyftónh) — complex vowel sound
  • Belarusian: двухгало́сны (dvuxhalósny) — complex vowel sound
  • Bengali: জটিল স্বরধ্বনি (joṭil śśoroddhoni) — complex vowel sound
  • Breton: diftongenn — complex vowel sound
  • Bulgarian: дифто́нг (diftóng) — complex vowel sound
  • Catalan: diftong — complex vowel sound
  • Cebuano: diptonggo — complex vowel sound
  • Cebuano: duhanog — complex vowel sound
  • Cebuano: sikpat — complex vowel sound
  • Chinese Cantonese: 雙元音 /双元音 (soeng1 jyun4 jam1) — complex vowel sound
  • Chinese Mandarin: 雙元音 /双元音 (shuāngyuányīn) — complex vowel sound
  • Czech: dvojhláska — complex vowel sound
  • Danish: diftong — complex vowel sound
  • Danish: tvelyd — complex vowel sound
  • Dutch: diftong — complex vowel sound
  • Dutch: tweeklank — complex vowel sound
  • Esperanto: diftongo — complex vowel sound
  • Estonian: diftong — complex vowel sound
  • Estonian: kaksiktäishäälik — complex vowel sound
  • Faroese: tvíljóð — complex vowel sound
  • Finnish: diftongi — complex vowel sound
  • Finnish: kaksoisääntiö — complex vowel sound
  • French: diphtongue — complex vowel sound
  • Friulian: diftonc — complex vowel sound
  • Galician: ditongo — complex vowel sound
  • Georgian: დიფთონგი (diptongi) — complex vowel sound
  • German: Diphthong — complex vowel sound
  • German: Doppellaut — complex vowel sound
  • German: Zwielaut — complex vowel sound
  • Greek: δίφθογγος (dífthongos) — complex vowel sound
  • Ancient Greek: δίφθογγος (díphthongos) — complex vowel sound
  • Hebrew: דִּיפְתּוֹנְג (diftóng) — complex vowel sound
  • Hindi: संध्यक्षर (sandhyakṣar) — complex vowel sound
  • Hungarian: kettőshangzó — complex vowel sound
  • Hungarian: diftongus — complex vowel sound
  • Icelandic: tvíhljóð — complex vowel sound
  • Icelandic: tvíhljóði — complex vowel sound
  • Ido: diftongo — complex vowel sound
  • Indonesian: diftong — complex vowel sound
  • Indonesian: bunyi rangkap — complex vowel sound
  • Interlingua: diphthongo — complex vowel sound
  • Irish: défhoghar — complex vowel sound
  • Old Irish: déogur — complex vowel sound
  • Italian: dittongo — complex vowel sound
  • Japanese: 二重母音 (nijū boin) — complex vowel sound
  • Kazakh: дифтонг (diftoñ) — complex vowel sound
  • Korean: 이중모음 (ijungmo'eum) — complex vowel sound
  • Kyrgyz: дифтонг (diftong) — complex vowel sound
  • Lao: ສະຣະປະສົມ (sa ra pa som) — complex vowel sound
  • Lao: ສະຣະຜະສົມ (sa ra pha som) — complex vowel sound
  • Latin: diphthongus — complex vowel sound
  • Latin: diphthongos — complex vowel sound
  • Latvian: divskanis — complex vowel sound
  • Latvian: diftongs — complex vowel sound
  • Limburgish: diftong — complex vowel sound
  • Limburgish: twieëklaank — complex vowel sound
  • Lithuanian: dvibalsis — complex vowel sound
  • Low German: Diphthong — complex vowel sound
  • Low German: Tweeklang — complex vowel sound
  • Macedonian: дифтонг (diftong) — complex vowel sound
  • Malayalam: സംയുക്ത സ്വരം (saṁyukta svaraṁ) — complex vowel sound
  • Māori: oro tōpū — complex vowel sound
  • Māori: ororua — complex vowel sound
  • Navajo: zaaʼáán ałtah — complex vowel sound
  • Norwegian Bokmål: diftong — complex vowel sound
  • Norwegian Bokmål: tvelyd — complex vowel sound
  • Norwegian Nynorsk: diftong — complex vowel sound
  • Norwegian Nynorsk: tviljod — complex vowel sound
  • Occitan: diftong — complex vowel sound
  • Old English: twifeald swēġ — complex vowel sound
  • Old Norse: tvíhljóðr — complex vowel sound
  • Persian: واکهٔ مرکب (vâke-ye morakkab) — complex vowel sound
  • Polish: dyftong — complex vowel sound
  • Polish: dwugłoska — complex vowel sound
  • Portuguese: ditongo — complex vowel sound
  • Romanian: diftong — complex vowel sound
  • Russian: дифто́нг (diftóng) — complex vowel sound
  • Russian: двугла́сный (dvuglásnyj) — complex vowel sound
  • Russian: двоегла́сный (dvojeglásnyj) — complex vowel sound
  • Northern Sami: diftoŋga — complex vowel sound
  • Scottish Gaelic: dà-fhoghar — complex vowel sound
  • Scottish Gaelic: dà-ghuth — complex vowel sound
  • Scottish Gaelic: dà-ghuthach — complex vowel sound
  • Serbo-Croatian: дво̏гла̄с — complex vowel sound
  • Serbo-Croatian: dvȍglās — complex vowel sound
  • Sicilian: dittongu — complex vowel sound
  • Slovak: dvojhláska — complex vowel sound
  • Slovene: diftóng — complex vowel sound
  • Slovene: dvóglásnik — complex vowel sound
  • Spanish: diptongo — complex vowel sound
  • Swedish: diftong — complex vowel sound
  • Tagalog: kambal-patinig — complex vowel sound
  • Tagalog: diptonggo — complex vowel sound
  • Tatar: дифтонг (diftong) — complex vowel sound
  • Tibetan: དབྱངས་སྒྲ་ཉིས་ལྡན (dbyangs sgra nyis ldan) — complex vowel sound
  • Ukrainian: дифто́нг (dyftónh) — complex vowel sound
  • Ukrainian: двоголосни́й (dvoholosnýj) — complex vowel sound
  • Uzbek: diftong — complex vowel sound
  • Veps: diftong — complex vowel sound
  • Vietnamese: nguyên âm đôi — complex vowel sound
  • Vietnamese: nhị trùng âm — complex vowel sound
  • Walloon: diftongue — complex vowel sound
  • Waray-Waray: latontiringgan — complex vowel sound
  • Welsh: deusain — complex vowel sound
  • Yiddish: דיפֿטאָנג (diftong) — complex vowel sound
  • Yiddish: צווייקלאַנג (tsveyklang) — complex vowel sound
  • Yoruba: fáwẹ̀lì ẹlẹ́yọ̀ọ́ — complex vowel sound
Real reading context

diphthong in complete knowledge articles