906 entries under adjective topic. ×

10
feeble(dull, strong, weak, kind)
10
harsh(hard, severe, sharp, rough)
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matte(dull, lackluster)
10
pedestrian(dull, set, simple, excite)
10
peremptory(manner, absolute, positive, affirmation)
10
pointless(dull, property, silly, ordinary)
10
prosy(dull, simple, tough, plain)
10
recumbent(smooth, level, down, even)
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squat(noun, place, low, house)
10
tame(dull, weak, kind, simple)
10
unexciting(dull, quiet, weak, slow)
10
wearisome(dull, weak, stupid, boring)
9
colorless(dull, simple, soft, obscure)
9
decumbent(smooth, level, small, down)
9
dim(dull, quiet, light, soft)
9
empty(smooth, poor, level, trivial)
9
firm(noun, change, certain, definite)
9
heavy(dull, ordinary, dry, boring)
9
ho-hum(dull, weak, smooth, simple)
9
lackluster(dull, light, simple, excite)
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APASmart Define. (2016). flat thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/flat/thesaurus/synonyms
ChicagoSmart Define. 2016. "flat thesaurus" https://smartdefine.org/flat/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, flat thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/flat/thesaurus/synonyms>.
MLASmart Define. "flat thesaurus" 1 March 2016. Web. 21 September 2026. <https://smartdefine.org/flat/thesaurus/synonyms>