83 entries under mediocre topic. ×

33
faulty(adjective, weak, rough, poor, plain)
29
incomplete(adjective, weak, rough, poor, plain)
22
deficient(adjective, weak, rough, poor, plain)
15
inadequate(adjective, weak, rough, poor, awful)
14
insufficient(adjective, weak, rough, poor, miserable)
11
bad(adjective, quality, mean, weak, lower)
10
inferior(adjective, mean, bad, weak, lower)
10
weak(adjective, mean, bad, poor, delicate)
9
crude(adjective, weak, rough, poor, plain)
9
poor(adjective, weak, lower, rough, awful)
9
unsatisfactory(adjective, weak, rough, poor, awful)
8
lacking(adjective, weak, poor, plain, miserable)
6
feeble(adjective, mean, bad, weak, poor)
6
sad(adjective, informal, inadequate, unfashionable, mean)
6
shabby(adjective, mean, bad, weak, poor)
6
subpar(adjective, weak, poor, miserable, inferior)
5
second-rate(adjective, mean, bad, weak, lower)
4
base(adjective, mean, bad, weak, lower)
4
below par(expression, adjective, idiom, bad, weak)
4
mean(adjective, bad, weak, lower, poor)
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APASmart Define. (2016). imperfect thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/imperfect/thesaurus/synonyms
ChicagoSmart Define. 2016. "imperfect thesaurus" https://smartdefine.org/imperfect/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, imperfect thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/imperfect/thesaurus/synonyms>.
MLASmart Define. "imperfect thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/imperfect/thesaurus/synonyms>