How do you pronounce "antibiotics"?

In American English: /ˌæntiːbaɪˈɑːtɪks/ (ant-eeb-eye-AHT-iks). In British English: /ˌæntɪbaɪˈɒtɪks/ (ant-ib-eye-OT-iks). In Canadian English: /ˌæntiːbaɪˈɑːtɪks/ (ant-eeb-eye-AHT-iks). In Australian English: /ˌantɪbaɪˈɒtɪks/ (ant-ib-EYE-ot).

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

Yes. In American English it's pronounced /ˌæntiːbaɪˈɑːtɪks/ (ant-eeb-eye-AHT-iks), while in British English it's /ˌæntɪbaɪˈɒtɪks/ (ant-ib-eye-OT-iks).

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antibiotics

regional

/ˌæntiːbaɪˈɑːtɪks/

ant-eeb-eye-AHT-iks

Syllable Breakdown

æntan·iːbti·aɪbi·ɑːtot·ɪksics

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-12