Synonyms|3.2kAntonyms|1.3k|Broader|61Narrower|58Related|3.9k

204 entries under slow topic. ×

4
slacken(verb, stop, reduce, release, fall)
4
stiff(adjective, moderate, severe, low)
4
sullen(adjective, upset, unhappy, dark)
3
blockheaded
3
devitalize(verb, upset, trouble, quiet, reduce)
3
improper(adjective, flat, rough, low)
3
let up(verb, expression, stop, fall, diminish)
3
numskulled(adjective, stupid, sluggish, unintelligent)
3
oafish
3
off(adjective, increase, moderate, low)
3
prolonged(adjective, tedious, late, protracted)
3
quell(verb, stop, calm, quiet, fall)
2
drag(verb, adjective, upset, trouble, reduce)
2
cast down(verb, expression, adjective, upset, trouble)
2
coldhearted(adjective, unfeeling, unemotional)
2
cool it(verb, expression, stop, calm, quiet)
2
dragging(adjective, heavy, boring, tedious)
2
drain(verb, upset, trouble, reduce, disturb)
2
fatheaded
2
half-baked(adjective, simple, foolish, stupid)
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ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms>