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Rigorous
Synonyms for
rigorous
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accurate
arduous
ascetic
austere
authoritarian
backbreaking
bitter
burdensome
callous
careful
close
cold
conscientious
correct
cruel
definite
delicate
demanding
detailed
difficult
diligent
effortful
energetic
exact
exacting
exigent
extortionate
fastidious
fierce
finical
finicky
formidable
frigid
fussy
gruelling
hard
hard and fast
hardest
hardline
harsh
herculean
immovable
inclement
inexorable
inflexible
intense
intensive
intractable
killing
laborious
mathematical
meticulous
minute
murderous
nice
nicer
nicest
onerous
oppressive
painstaking
particular
perfectionist
pinpoint
pitiless
precise
proper
punctilious
punishing
radical
refined
relentless
religious
right
rigid
rugged
scientific
scrupulous
serious
severe
spartan
spot-on
steadfast
stern
stiff
strenuous
strict
stringent
stubborn
subtle
taxing
thorough
tight
tiring
tough
true
trying
unbending
uncompromising
unpleasant
unrelenting
unsparing
unyielding
weary
wearying
Opposites of
rigorous
There are 104 synonyms for rigorous
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