4
inopportune
4
miserable
4
pernicious
4
unfriendly
3
catastrophic
3
destructive
3
distasteful(adjective, terrible, dirty, badly, scary)
3
hard
3
inappropriate
3
low
3
lowering
3
malapropos
3
nasty(adjective, terrible, dirty, badly, scary)
3
prejudicial
3
unhappy
3
unpleasant
3
unsuitable
2
awful
2
baneful
2
calamitous
11 years ago|8.3k views|share |citing 
APASmart Define. (2015). unfavourable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unfavourable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfavourable thesaurus" https://smartdefine.org/unfavourable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unfavourable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unfavourable/thesaurus/synonyms>.
MLASmart Define. "unfavourable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unfavourable/thesaurus/synonyms>