8
styleless
8
unhandsome(improper, incorrect, unsuitable)
8
unseemly(adjective, dull, wrong, rough, low)
7
barbarous(adjective, rough, offensive, rude, cruel)
7
boring(adjective, dull, weak, flat, plain)
7
philistine(adjective, smooth, coarse, vulgar, courtesy)
7
pretentious(adjective, offensive, vulgar, brilliant, cheap)
7
rough-hewn
7
ticky-tacky
6
base(adjective, vulgar)
6
blah(adjective, dull, weak, flat, plain)
6
chintzy(adjective, vulgar, brilliant, extravagant, loud)
6
clumsy(adjective, rough, rude, coarse, awkward)
6
gauche(adjective, unusual, strange, improper, incorrect)
6
inappropriate(adjective, rude, proper, suitable, improper)
6
jejune(adjective, dull, weak, boring, feeble)
6
ornate(adjective, offensive, vulgar, cheap, loud)
6
outlandish(adjective, rough, offensive, strange, coarse)
6
plain(adjective, weak, flat, mild, shabby)
6
rough(adjective, dull, bad, smooth, nasty)
11 years ago|27k views|share |citing 
APASmart Define. (2015). tasteless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/tasteless/thesaurus/synonyms
ChicagoSmart Define. 2015. "tasteless thesaurus" https://smartdefine.org/tasteless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, tasteless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/tasteless/thesaurus/synonyms>.
MLASmart Define. "tasteless thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/tasteless/thesaurus/synonyms>