70 entries under obnoxious topic. ×

23
vexatious(adjective, hard, severe, evil, rough)
13
unpleasant(adjective, bad, hard, severe, evil)
11
grievous(adjective, hard, tough, severe, rough)
8
pesky(adjective, hard, easy, severe, evil)
6
disagreeable(verb, adjective, person, dull, bad)
6
dreadful(verb, adjective, person, severe, tender)
6
formidable(adjective, hard, tough, severe, evil)
6
rough(adjective, hard, tough, severe, nasty)
6
troublous(adjective, hard, severe, happy, pain)
6
ugly(adjective, hard, severe, evil, rough)
5
mean(adjective, hard, easy, slang, rough)
5
terrible(adjective, severe, difficult, tender, unpleasant)
5
wretched(verb, adjective, person, rough, unpleasant)
4
dangerous(adjective, hard, severe, evil, rough)
4
offensive(adjective, severe, unpleasant, awful, terrible)
3
wicked(adjective, hard, easy, severe, difficult)
3
odious(adjective, unpleasant, horrible, painful, disagreeable)
3
treacherous(adjective, hard, severe, evil, rough)
2
cantankerous(adjective, hard, evil, rough, nasty)
2
despicable(verb, adjective, person, hard, evil)
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APASmart Define. (2016). troublesome thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/troublesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "troublesome thesaurus" https://smartdefine.org/troublesome/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, troublesome thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/troublesome/thesaurus/synonyms>.
MLASmart Define. "troublesome thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/troublesome/thesaurus/synonyms>