Synonyms|391Antonyms|160|Broader|4Narrower|7Related|1k
6
silly
3
uneconomical
3
wasteful
2
black
2
cheap
2
minor
2
selfish
2
shy
1
boring
1
careless
1
clumsy
1
excited
1
foul
1
incompetent(adjective, inability)
1
niggardly
1
pretty(adjective, characteristic, attribute, peculiar, with features)
1
sad
1
wonderful(adjective, great, excellent, superior, superb)
0
a1
0
abandon
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ChicagoSmart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/related (accessed September 22, 2026).
HarvardSmart Define 2015, inefficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/inefficient/thesaurus/related>.
MLASmart Define. "inefficient thesaurus" 12 November 2015. Web. 22 September 2026. <https://smartdefine.org/inefficient/thesaurus/related>