How do you pronounce "hypothesis"?

In American English: /haɪˈpɑːθəsəs/ (heye-PAHTH-uhs-uhs). In British English: /haɪpˈɒθɪsɪs/ (heyep-OTH-is-is). In Canadian English: /hʌɪˈpɑːθəsəs/ (huh-i-PAHTH-uhs-uhs). In Australian English: /haɪpˈɒθəsˌɪs/ (heyep-OTH-uhs-is).

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

Yes. In American English it's pronounced /haɪˈpɑːθəsəs/ (heye-PAHTH-uhs-uhs), while in British English it's /haɪpˈɒθɪsɪs/ (heyep-OTH-is-is).

How to Pronounce "hypothesis"

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hypothesis

regional

/haɪˈpɑːθəsəs/

heye-PAHTH-uhs-uhs

Syllable Breakdown

haɪhy·pɑːθpoth·əse·əssis

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14