Synonyms|3.2kAntonyms|1.3k|Broader|61Narrower|58Related|3.9k
1
dirty(verb, adjective)
1
drab
1
fade
1
faded
1
flat
1
foolish
1
imitative
1
impede
1
inert
1
inexpressive
1
inferior(noun, adjective)
1
insensitive
1
insignificant
1
insipid
1
irrational
1
lackadaisical
1
languid
1
lifeless
1
listless
1
lower(verb, adjective)
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APASmart Define. (2016). dull thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dull/thesaurus/broader
ChicagoSmart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/broader (accessed September 23, 2026).
HarvardSmart Define 2016, dull thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dull/thesaurus/broader>.
MLASmart Define. "dull thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/dull/thesaurus/broader>