arduous

/ˈɑːdʒuːəs/AHR-joo-uhs

/ˈɑɹdʒuəs/AHR-joo-uhs

Meaningsteep

Common meaning: needing great effort

ardusteep; hard to doLewis & Short, Latin Dictionary (1879), p. 156 · scan
ousadjective ending: full of, having

Journey through time

Latinarduus, -a, -um‘steep’
Englisharduous‘needing great effort’ · today

Sources & notes

Meaning: “Meaning” is the sense that emerges from the word’s roots; “Common meaning” is today’s everyday sense. Both written by us.

Pronunciation

UK IPA: converted from the US form by rule (unchecked). Respelling: generated.
No UK recording; the speaker uses your device’s en-GB voice.
US IPA: CMUdict (BSD-2), converted to IPA by rule. Respelling: generated.
No US recording; the speaker uses your device’s en-US voice.

Origin: Built on Latin arduus ‘steep; hard to do’.

Roots

arduus, -a, -um Latin “steep; hard to do”

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