Synonyms|1.7kAntonyms|642|Broader|15Narrower|44Related|2.1k
1
obscure
1
opaque
1
open(adjective, limited, restricted, undecided, hindered)
1
perilous
1
perplexing
1
puzzled
1
risky(adjective, strong, safe, dangerous)
1
suspicious(adjective, careless)
1
tentative(adjective, uncertain, indefinite, conditional, experimental)
1
absurd(adjective, senseless, ridiculous)
1
all
1
ambivalent(adjective, conflicting)
1
amorphous
1
approximate
1
arcane
1
avoidable
1
blurry
1
careless
1
changeful
1
conditional
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ChicagoSmart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, certain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/certain/thesaurus/antonyms>.
MLASmart Define. "certain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/certain/thesaurus/antonyms>