Synonyms|672Antonyms|230|Broader|12Narrower|19Related|1.6k
1
noxious
1
perilous
1
pernicious
1
pestilent
1
prejudicial
1
risky
1
ruinous(adjective, devastating, disastrous)
1
unfortunate(adjective, unhappy)
1
unlucky(adjective, unhappy)
1
unsafe
1
useless
1
worthless(adjective, unhappy)
0
abdicate
0
abhorrent
0
abortive
0
allergic to(expression, good, friendly)
0
antagonistic
0
antipathetic
0
antithetic
0
antithetical
For more, visit Advantageous on Power Thesaurus
10 years ago|2.6k views|share |citing 
APASmart Define. (2016). advantageous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/advantageous/thesaurus/antonyms
ChicagoSmart Define. 2016. "advantageous thesaurus" https://smartdefine.org/advantageous/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, advantageous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/advantageous/thesaurus/antonyms>.
MLASmart Define. "advantageous thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/advantageous/thesaurus/antonyms>