6
pasty(adjective, dull, light, soft, poor)
6
spiritless(adjective, dull, weak, excite, stupid)
6
tame(adjective, dull, simple, flat, clean)
6
uncoloured(neutral, uncolored, uncoloured)
6
uninspired(adjective, dull, flat, excite, ordinary)
5
blanched(adjective, dull, light, soft, poor)
5
cold(adjective, cool, soft, obscure, flat)
5
commonplace(adjective, dull, simple, flat, plain)
5
ghastly(adjective, dull, light, soft, poor)
5
humdrum(adjective, dull, simple, flat, clean)
5
lustreless(dull, pale, lifeless, lackluster, ashen)
5
sallow(adjective, dull, light, soft, poor)
5
same
5
uncolored(adjective, cool, cold, indifferent, detached)
5
vacuous(adjective, boring, tedious, lifeless, dreary)
5
washed-out(adjective, dull, beat, light, soft)
5
weak(adjective, dull, bad, light, soft)
4
anemic(adjective, dull, light, weak, soft)
4
banal(adjective, dull, weak, simple, clean)
4
cadaverous(adjective, dull, light, soft, poor)
10 years ago|13k views|share |citing 
APASmart Define. (2016). colorless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/colorless/thesaurus/synonyms
ChicagoSmart Define. 2016. "colorless thesaurus" https://smartdefine.org/colorless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, colorless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/colorless/thesaurus/synonyms>.
MLASmart Define. "colorless thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/colorless/thesaurus/synonyms>