diphthongise

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A form of diphthongize — To change to a diphthong, as by inserting or removing a vowel.

Similar
diphthongize
Scrabble 22
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Meanings

verbdiphthongise (third-person singular simple present diphthongises, present participle diphthongising, simple past and past participle diphthongised)

present singular third person diphthongises · participle present diphthongising · participle past diphthongised · past diphthongised

  1. alternativeAlternative spelling of diphthongize.

Synonyms & antonyms

verbchange from a simple vowel to a diphthong

Similar
diphthongize
Broader
switchshiftchange
Also see
diphthongize

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

diphthongise. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diphthongise

MLA

“diphthongise.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diphthongise. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “diphthongise,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diphthongise.

Source: diphthongise on Wiktionary, CC BY-SA 4.0.