Synonyms|643Antonyms|183|Broader|10Narrower|12Related|1.3k

43 entries under dull topic. ×

5
wearing(adjective, hard, tough, difficult)
4
irksome(adjective, difficulty, difficult, heavy)
3
annoying(adjective, boring, painful, tedious)
2
vexatious(adjective, difficult, tender, boring)
1
bit much(expression, tedious, irritating, exhausting)
1
boresome(adjective, boring, tired, tedious)
1
drag(adjective, boring, tired, tedious)
1
dragging(adjective, boring, tired, tedious)
1
drudging(adjective, boring, tired, tedious)
1
enervative(adjective, boring, tired, tedious)
1
exasperating(adjective, boring, tired, tedious)
1
flat(adjective, boring, tedious, irritating)
1
ho-hum(adjective, boring, tired, tedious)
1
humdrum(adjective, boring, tedious, irritating)
1
jading(adjective, boring, tired, tedious)
1
monotonous(adjective, boring, tedious, irritating)
1
nowhere(adjective, boring, tedious, irritating)
1
tired(adjective, boring, tedious, irritating)
1
too much(expression, adjective, boring, tired)
1
uncool(adjective, boring, tired, tedious)
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ChicagoSmart Define. 2016. "arduous thesaurus" https://smartdefine.org/arduous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, arduous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/arduous/thesaurus/synonyms>.
MLASmart Define. "arduous thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/arduous/thesaurus/synonyms>