20
sickening(adjective, dull, nasty, awful, terrible)
19
displeasing(noun, adjective, good, bad, rough)
19
harsh(adjective, mean, hard, cool, tough)
19
painful(adjective, hard, tough, severe, sharp)
18
ugly(adjective, person, hard, severe, evil)
18
dreadful(adjective, dull, severe, nasty, tender)
18
nauseating(adjective, dull, nasty, offensive, awful)
18
vile(adjective, dull, mean, bad, hard)
16
frightful(adjective, dull, offensive, awful, disgusting)
16
mean(verb, adjective, adverb, hard, cool)
15
bitter(adjective, hard, tough, severe, sharp)
15
rotten(adjective, adverb, bad, hard, evil)
15
unappetizing(adjective, dull, nasty, offensive, disgusting)
14
odious(adjective, person, nasty, offensive, feelings)
14
beastly(adjective, adverb, mean, bad, severe)
14
hard(adjective, mean, cool, tough, severe)
14
horrid(adjective, mean, nasty, offensive, awful)
14
severe(adjective, hard, tough, difficult, harsh)
14
unappealing(adjective, dull, nasty, offensive, disgusting)
13
ghastly(adjective, dull, nasty, awful, terrible)
10 years ago|32k views|share |citing 
APASmart Define. (2016). unpleasant thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unpleasant/thesaurus/synonyms
ChicagoSmart Define. 2016. "unpleasant thesaurus" https://smartdefine.org/unpleasant/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unpleasant thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unpleasant/thesaurus/synonyms>.
MLASmart Define. "unpleasant thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/unpleasant/thesaurus/synonyms>