7
inadvisable(adjective, unwise, recommended)
5
imprudent(adjective, unwise)
5
unwise
4
injudicious(adjective, unwise)
3
improper(adjective, unwise)
3
inappropriate(adjective, unwise)
3
jejune
2
baneful
2
inexpedient
2
unadvisable
1
impolitic
1
indelicate
1
psycho
1
uncorrect(adjective, unwise)
1
undiplomatic
1
untimely
0
adverse
0
cockamamie
0
cockeyed
0
cracked
10 years ago|1k views|share |citing 
APASmart Define. (2016). advisable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/advisable/thesaurus/antonyms
ChicagoSmart Define. 2016. "advisable thesaurus" https://smartdefine.org/advisable/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, advisable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/advisable/thesaurus/antonyms>.
MLASmart Define. "advisable thesaurus" 19 February 2016. Web. 21 September 2026. <https://smartdefine.org/advisable/thesaurus/antonyms>