English Explanatory Dictionary

arduous

English dictionary entry

Meanings

adj
  1. Needing or using up much energy; testing powers of endurance.
  2. burning; ardent
  3. Difficult or exhausting to traverse.

Pronunciation

/ˈɑː.djuː.əs/ /ˈɑː.d͡ʒuː.əs/ /ˈɑɹ.d͡ʒu.əs/ en-us-arduous.ogg

Word forms

arduous more arduous most arduous

Etymology

Etymology tree Latin arduus English arduous From Latin arduus (“lofty, high, steep, hard to reach, difficult, laborious”), akin to Irish ard (“high”).

Synonyms

burdensome demanding exhausting fatiguing laborious onerous strenuous strugglesome wearisome uphill

Related words

arduity

Derived words

arduously arduousness unarduous
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