Synonyms|630Antonyms|141|Broader|15Narrower|8Related|1k
1
remote(adjective, close, open, unlikely, improbable)
1
ridiculous
1
true
1
undoable
1
unfathomed(adjective, deep, wide)
1
unimaginable
1
vain(adjective, useless, futile)
0
actual
0
doubtful
0
out(adjective, possible, gone)
0
unfeasible
0
unrealistic(adjective, practical)
0
unrealizable
0
unthinkable
0
unworkable
0
certain
0
compulsory
0
existent
0
absurd
0
airtight(adjective, certain)
For more, visit Possible on Power Thesaurus
11 years ago|1.5k views|share |citing 
APASmart Define. (2015). possible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/possible/thesaurus/antonyms
ChicagoSmart Define. 2015. "possible thesaurus" https://smartdefine.org/possible/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, possible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/possible/thesaurus/antonyms>.
MLASmart Define. "possible thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/possible/thesaurus/antonyms>