Word.ws English Dictionary

diphthongise

diphthongise is the alternative spelling of diphthongize.

Meaning of diphthongize

Verb

diphthongize (third-person singular simple present diphthongizes, present participle diphthongizing, simple past and past participle diphthongized)

  1. (transitive) To change to a diphthong, as by inserting or removing a vowel.
    • Some of these [monophthongs] will be diphthongised under the influence of following sounds.2022, Daisy L. Neijman, Icelandic: An Essential Grammar, Routledge, →ISBN, page 5
  2. (intransitive) To become a diphthong.

Forms of diphthongise

third-person singular presentdiphthongises
present participlediphthongising
past participlediphthongised
pastdiphthongised

Questions about diphthongise

What is diphthongise the alternative spelling of?
Diphthongise is the alternative spelling of diphthongize.

Words near diphthongise in the dictionary

  1. diphthongation
  2. diphthongations
  3. diphthongic
  4. diphthongisation
  5. diphthongisations
  6. diphthongise
  7. diphthongised
  8. diphthongises
  9. diphthongising
  10. diphthongization
  11. diphthongizations

Source and license

Adapted from Wiktionary: diphthongise (page history and authors); diphthongize (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “diphthongise.” Word.ws, https://word.ws/diphthongise. Based on Wiktionary, CC BY-SA 4.0.