13 entries under competent topic. ×

8
efficient(adjective, weak, sound, delicate)
6
effective(adjective, weak, sound, inadequate)
5
useful(adjective, sound)
3
able(adjective, sound)
3
capable(adjective, sound)
3
expert(adjective, sound)
2
skillful(adjective, sound, awkward, incompetent)
1
neat(adjective, sound)
0
dexterous(adjective, sound)
0
fit(adjective, sound)
0
sound
0
strong(adjective, sound)
0
tidy(adjective, sound)
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APASmart Define. (2015). inefficient thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inefficient/thesaurus/antonyms
ChicagoSmart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, inefficient thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inefficient/thesaurus/antonyms>.
MLASmart Define. "inefficient thesaurus" 12 November 2015. Web. 25 September 2026. <https://smartdefine.org/inefficient/thesaurus/antonyms>