How do you pronounce "deadliest"?

In American English: /ˈdɛdliːəst/ (DEHDL-ee-uhst). In British English: /dˈɛdliɪst/ (D-ehdl-ee). In Canadian English: /ˈdɛdliːəst/ (DEHDL-ee-uhst). In Australian English: /dˈɛdliɪst/ (D-ehdl-ee).

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

Yes. In American English it's pronounced /ˈdɛdliːəst/ (DEHDL-ee-uhst), while in British English it's /dˈɛdliɪst/ (D-ehdl-ee).

How to Pronounce "deadliest"

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deadliest

regional

/ˈdɛdliːəst/

DEHDL-ee-uhst

Syllable Breakdown

dɛdldead·iːli·əstest

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14