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Arduous
Synonyms for
arduous
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ambitious
backbreaking
brutal
burdensome
challenging
demanding
difficult
effortful
energetic
epic
exacting
exhausting
exigent
fatiguing
formidable
grievous
grinding
grueling
gruelling
hard
hardest
harsh
heavy
herculean
intolerable
irksome
killing
labored
laborious
murderous
no picnic
onerous
oppressive
painful
punishing
rigid
rigorous
rough
rugged
serious
severe
smoking
stern
stiff
strenuous
stressful
strict
stringent
taxing
testing
tight
tiring
toilsome
tough
troublesome
trying
uphill
vexatious
weary
wearying
Opposites of
arduous
There are 60 synonyms for arduous
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