arduous
Pronunciation
Adjective
B1 Intermediate
Quick answer
Requiring a lot of effort and stamina, and often long and tiring.
Synonyms and antonyms
Synonyms
strenuous
grueling
Antonyms
effortless
easy
Test yourself
Which word fits the gap? "Climbing the mountain in a single day was an _____ task even for experienced hikers."
Answer: arduous
In your own words, what does "arduous" mean?
Requiring a lot of effort and stamina, and often long and tiring.
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