4
dilute(verb, adjective, weak, thin, liquid)
3
banal(adjective, dull, weak, plain, mild)
3
lifeless(adjective, excite)
3
mawkish
3
monotonous(adjective, dull, weak, plain, mild)
3
unpalatable(adjective, dull, weak, flat, nasty)
3
washy(adjective, flat, insipid, watery)
2
arid(adjective, excite)
2
colorless(adjective, dull, weak, excite, thin)
2
compressed
2
dry(adjective, excite)
2
earthbound(adjective, dull, excite)
2
inane(adjective, dull, weak, boring, dead)
2
milk-and-water(adjective, dull, weak, plain, mild)
2
milquetoast(adjective, tasteless)
2
pedestrian(adjective, excite)
2
plain(adjective, dull, weak, flat, mild)
2
prosaic(adjective, dull, weak, excite, dead)
2
sapless(adjective, dull, weak, plain, mild)
2
spiritless(adjective, dull, weak, excite, feeble)
11 years ago|8.1k views|share |citing 
APASmart Define. (2015). flavorless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/flavorless/thesaurus/synonyms
ChicagoSmart Define. 2015. "flavorless thesaurus" https://smartdefine.org/flavorless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, flavorless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/flavorless/thesaurus/synonyms>.
MLASmart Define. "flavorless thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/flavorless/thesaurus/synonyms>