6
plaguy(adjective, vexatious)
6
aggravating(adjective, sorrow, negative, emotion)
6
exasperating
5
hateful(adjective, nasty, awful, terrible, disgusting)
5
nagging
4
disagreeable(adjective, hard, evil, rough, nasty)
4
infuriating(adjective, annoying)
4
irritable(adjective, touchy, irascible)
4
loathsome(adjective, nasty, awful, terrible, disgusting)
4
nasty(adjective, hard, rough, rude, unpleasant)
4
tormenting(adjective, sorrow, negative, emotion)
4
worrisome
4
worrying
3
abominable(adjective, nasty, awful, terrible, disgusting)
3
cranky
3
distasteful(adjective, unpleasant, awful, terrible, horrible)
3
distressing
3
foul(adjective, nasty, awful, terrible, disgusting)
3
gnawing
3
horrid(adjective, nasty, awful, terrible, disgusting)
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APASmart Define. (2015). pesky thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/pesky/thesaurus/synonyms
ChicagoSmart Define. 2015. "pesky thesaurus" https://smartdefine.org/pesky/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, pesky thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/pesky/thesaurus/synonyms>.
MLASmart Define. "pesky thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/pesky/thesaurus/synonyms>