1
reprobate
1
sham
1
simulated
1
under-the-counter
1
under-the-table
1
unjust
1
unmerited
1
unofficial
1
unoriginal
1
unpardonable
1
unprovoked
1
unreal(adjective, false, improper, unlawful)
1
unreasonable(adjective, false, improper, unlawful)
1
zany
0
apocryphal
0
barred
0
baseless
0
bogus
0
capricious
0
corrupt
10 years ago|3.5k views|share |citing 
APASmart Define. (2016). legitimate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/legitimate/thesaurus/antonyms
ChicagoSmart Define. 2016. "legitimate thesaurus" https://smartdefine.org/legitimate/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, legitimate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/legitimate/thesaurus/antonyms>.
MLASmart Define. "legitimate thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/legitimate/thesaurus/antonyms>