70 entries under obnoxious topic. ×

8
troublesome(adjective, hard, severe, happy, pain)
4
sinister(adjective, hard, severe, offensive, unpleasant)
4
ugly(adjective, tough, severe, unpleasant, awful)
4
vexatious(adjective, tough, severe, unpleasant, awful)
4
wicked(adjective, tough, severe, unpleasant, awful)
3
wretched(adjective, unpleasant, horrible, disagreeable, dreadful)
2
disagreeable(adjective, hard, severe, offensive, unpleasant)
2
gloomy(adjective, hard, severe, offensive, unpleasant)
2
mean(adjective, tough, unpleasant, horrible, painful)
2
nasty(adjective, unpleasant, horrible, disagreeable, dreadful)
2
ominous(adjective, hard, severe, offensive, unpleasant)
2
pesky(adjective, tough, severe, unpleasant, awful)
2
rough(adjective, tough, unpleasant, horrible, painful)
2
threatening(adjective, hard, severe, offensive, unpleasant)
2
unpleasant(adjective, hard, severe, offensive, awful)
1
dangerous(adjective, bad, tough, severe, unpleasant)
1
grievous(adjective, unpleasant, horrible, disagreeable, dreadful)
1
messy(adjective, tough, unpleasant, horrible, painful)
1
violent(adjective, disorder, unpleasant, horrible, disagreeable)
0
base(adjective, unpleasant, horrible, disagreeable, dreadful)
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APASmart Define. (2015). troublous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/troublous/thesaurus/synonyms
ChicagoSmart Define. 2015. "troublous thesaurus" https://smartdefine.org/troublous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, troublous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/troublous/thesaurus/synonyms>.
MLASmart Define. "troublous thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/troublous/thesaurus/synonyms>