Synonyms for rigorous
adj severe; exactAntonyms for rigorous
- careless
- easy
- false
- flexible
- gentle
- imprecise
- improper
- inaccurate
- incorrect
- inexact
- kind
- lenient
- negligent
- questionable
- soft
- tolerant
- unsuitable
- wrong
- yielding
- easy-going
- lax
- loose
- mild
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.
arduous
adjective. difficult, hard to endure
bitter
adjective. painful, distressing
careful
adjective. cautious; painstaking
- accurate
- alert
- apprehensive
- assiduous
- attentive
- chary
- choosy
- circumspect
- concerned
- conscientious
- conservative
- cool
- deliberate
- discreet
- exacting
- fastidious
- finicky
- fussy
- going to great lengths
- guarded
- heedful
- judicious
- leery
- meticulous
- mindful
- observant
- particular
- playing safe
- precise
- prim
- protective
- provident
- prudent
- punctilious
- regardful
- religious
- rigorous
- scrupulous
- selfdisciplined
- shy
- sober
- solicitous
- solid
- thorough
- thoughtful
- vigilant
- wary
correct
adjective. accurate, exact
- according to Hoyle
- actual
- amen
- appropriate
- cooking with gas
- dead on
- equitable
- factual
- faithful
- faultless
- flawless
- for sure
- free of error
- impeccable
- just
- legitimate
- nice
- okay
- on target
- on the ball
- on the beam
- on the button
- on the money
- on the nose
- on track
- perfect
- precise
- proper
- regular
- right
- right as rain
- right on
- right stuff
- righteous
- rigorous
- stone
- strict
- true
- undistorted
- unmistaken
- veracious
- veridical
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.