How do you pronounce "arduous"?

In American English: /ˈɑːrdʒuːəs/ (AHRJ-oo-uhs). In British English: /ˈɑːdjuːəs/ (AHDY-oo-uhs). In Canadian English: /ˈɑːrdʒuːəs/ (AHRJ-oo-uhs). In Australian English: /ˈɑːdjuːəs/ (AHDY-oo-uhs).

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

Yes. In American English it's pronounced /ˈɑːrdʒuːəs/ (AHRJ-oo-uhs), while in British English it's /ˈɑːdjuːəs/ (AHDY-oo-uhs).

How to Pronounce "arduous"

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arduous

regional

/ˈɑːrdʒuːəs/

AHRJ-oo-uhs

Syllable Breakdown

ɑːrdʒar·uːdu·əsous

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14