2
matter-of-fact
2
mechanical
2
prosy(adjective, common)
2
run-of-the-mill
2
sallow
2
simple
2
tiring
2
unadorned
2
uninspired
2
uninspiring
1
awkward
1
beige
1
cadaverous
1
changeless
1
characterless
1
cheerless
1
clumsy
1
dense
1
dingy
1
direct
13 years ago|10k views|share |citing 
APASmart Define. (2013). colourless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/colourless/thesaurus/synonyms
ChicagoSmart Define. 2013. "colourless thesaurus" https://smartdefine.org/colourless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, colourless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/colourless/thesaurus/synonyms>.
MLASmart Define. "colourless thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/colourless/thesaurus/synonyms>