80 entries under unpleasant topic. ×

15
troublesome(adjective, hard, easy, severe, evil)
13
vexatious(adjective, hard, severe, evil, rough)
8
wicked(adjective, easy, severe, awful)
8
ugly(adjective, hard, severe, evil, rough)
8
obnoxious(adjective, nasty, offensive, awful)
7
mean(adjective, tough, easy, slang, nasty)
4
disagreeable(adjective, hard, evil, rough, nasty)
4
nasty(adjective, hard, rough, rude)
3
distasteful(adjective, awful, terrible, horrible)
3
offensive(adjective, severe, nasty, awful)
3
repellent(adjective, nasty, awful, terrible)
3
sickening(adjective, awful, terrible, horrible)
2
beastly(adjective, nasty, offensive, disgusting)
2
dirty(adjective, hard, rough, nasty, rude)
2
dreadful(adjective, severe, awful, terrible)
2
noisome(adjective, awful, terrible, horrible)
2
sordid(adjective, awful, terrible, horrible)
2
troublous(adjective, tough, severe, awful)
2
wretched(adjective, horrible, disagreeable, dreadful)
1
cantankerous(adjective, hard, evil, rough, nasty)
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APASmart Define. (2015). pesky thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/pesky/thesaurus/synonyms
ChicagoSmart Define. 2015. "pesky thesaurus" https://smartdefine.org/pesky/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, pesky thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/pesky/thesaurus/synonyms>.
MLASmart Define. "pesky thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/pesky/thesaurus/synonyms>