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
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.