How do you pronounce "hypothesize"?

In American English: /haɪˈpɑːθəˌsaɪz/ (heye-PAHTH-uh-seyez). In British English: /haɪpˈɒθəsˌaɪz/ (heyep-OTH-uhs-eyez). In Canadian English: /hʌɪˈpɑːθəˌsaɪz/ (huh-i-PAHTH-uh-seyez). In Australian English: /haɪpˈɒθəsˌaɪz/ (heyep-OTH-uhs-eyez).

Is "hypothesize" pronounced differently in American and British English?

Yes. In American English it's pronounced /haɪˈpɑːθəˌsaɪz/ (heye-PAHTH-uh-seyez), while in British English it's /haɪpˈɒθəsˌaɪz/ (heyep-OTH-uhs-eyez).

How to Pronounce "hypothesize"

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hypothesize

regional

/haɪˈpɑːθəˌsaɪz/

heye-PAHTH-uh-seyez

Syllable Breakdown

haɪhy·pɑːθpoth·əe·saɪzsize

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14