17
frumpish(adjective, dull, disgusting, ugly, tacky)
15
dowdy(adjective, plain, careless, loose, cheap)
13
unkempt(adjective, plain, careless, loose, unfashionable)
11
slovenly(adjective, plain, careless, cheap, tasteless)
9
drab(adjective, unfashionable, dowdy, frowzy)
9
unfashionable(adjective, plain, fashionable, shabby, drab)
8
unbecoming(adjective, dull, disgusting, ugly, bad-looking)
8
nasty(adjective, dull, terrible, dirty, disgusting)
8
sloppy(adjective, plain, careless, loose, cheap)
8
tacky(adjective, plain, careless, cheap, tasteless)
7
bad(adjective, dull, poor, small, disgusting)
7
frightful(adjective, dull, terrible, dirty, disgusting)
7
ghastly(adjective, dull, terrible, dirty, disgusting)
7
objectionable(adjective, dull, terrible, dirty, disgusting)
7
repellent(adjective, dull, terrible, dirty, disgusting)
7
shabby(adjective, plain, tasteless, drab, unfashionable)
6
dingy(adjective, plain, careless, loose, shabby)
6
foul(adjective, dull, disgusting, ugly, bad-looking)
6
messy(adjective, terrible, dirty, badly, scary)
6
slatternly
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APASmart Define. (2016). frumpy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/frumpy/thesaurus/synonyms
ChicagoSmart Define. 2016. "frumpy thesaurus" https://smartdefine.org/frumpy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, frumpy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/frumpy/thesaurus/synonyms>.
MLASmart Define. "frumpy thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/frumpy/thesaurus/synonyms>