192 entries under hard topic. ×

3
noisome(adjective, rank, corrupt, foul)
3
rude(adjective, severe, rough, nasty)
3
unmusical(adjective, severe, sharp, flat)
2
asperous(adjective, severe, sharp, flat)
2
bleak(adjective, severe, sharp, flat)
2
brutal(adjective, severe, cruel, bleak)
2
cracked(adjective, severe, sharp, flat)
2
disturbing(adjective, severe, sharp, flat)
2
gone off(expression, adjective, old, musty)
2
guttural(adjective, severe, sharp, flat)
2
hoarse(adjective, severe, sharp, flat)
2
insipid(adjective, nasty, unpleasant, disagreeable)
2
jarring(adjective, severe, sharp, flat)
2
liverish(adjective, evil, rough, nasty)
2
rasping(adjective, severe, sharp, flat)
2
rugged(adjective, severe, evil, sharp)
2
smelly(adjective, strong, rank, foul)
2
stinking(adjective, strong, sharp, nasty)
2
tasteless(adjective, bad, nasty, unpleasant)
2
tuneless(adjective, severe, sharp, flat)
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APASmart Define. (2016). sour thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sour/thesaurus/synonyms
ChicagoSmart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sour thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>.
MLASmart Define. "sour thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms>