65 entries under annoying topic. ×

7
tough(adjective, dull, difficulty, difficult, boring)
6
ho-hum(adjective, dull, simple, clean, plain)
6
oppressive(adjective, dull, difficult, boring, painful)
6
unpleasant(adjective, bad, rough, offensive, dry)
5
difficult(adjective, dull, tough, difficulty, heavy)
5
flat(adjective, dull, simple, plain, stupid)
5
humdrum(adjective, dull, simple, excite, clean)
5
monotonous(adjective, dull, simple, excite, plain)
5
troubling(adjective, bad, hard, severe, offensive)
5
wearying(adjective, dull, difficult, awkward, boring)
4
arduous(adjective, dull, difficulty, difficult, heavy)
4
disagreeable(adjective, bad, rough, nasty, offensive)
4
exhausting(adjective, dull, difficult, awkward, boring)
4
heavy(adjective, dull, difficult, awkward, boring)
4
wearing(adjective, dull, difficult, awkward, boring)
3
arid(adjective, dull, stupid, boring, tedious)
3
drab(adjective, dull, simple, clean, plain)
2
boresome(adjective, dull, boring, tedious, irritating)
2
distasteful(adjective, bad, nasty, horrible, disagreeable)
2
drudging(adjective, dull, stupid, boring, tedious)
11 years ago|18k views|share |citing 
APASmart Define. (2015). irksome thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/irksome/thesaurus/synonyms
ChicagoSmart Define. 2015. "irksome thesaurus" https://smartdefine.org/irksome/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, irksome thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/irksome/thesaurus/synonyms>.
MLASmart Define. "irksome thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/irksome/thesaurus/synonyms>