16
incomplete(adjective, indefinite, finished, wanting, partial)
13
unfinished
7
partial(adjective, indefinite, incomplete)
6
imperfect(adjective, happy, perfect, healthy, indefinite)
6
neglect(noun, verb, stop, open, start)
6
fail(verb, stop, open, start, abandon)
6
jejune
5
defective(adjective, indefinite, partial)
5
give up(verb, expression, phrasal verb, stop, hold)
4
continue(verb, stop, go, open, start)
4
rough(adjective, soft, flat, basic, incomplete)
4
uncompleted
3
broken(adjective, destroyed, made)
3
sketchy(adjective, rough, incomplete)
3
commence(verb, stop, close, open, start)
3
forget(verb, stop, open, start, regard)
3
fragmentary(adjective, broken, incomplete)
3
half
3
ignore(verb, stop, open, start, notice)
3
lacking(adjective, indefinite, partial)
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APASmart Define. (2016). complete thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/complete/thesaurus/antonyms
ChicagoSmart Define. 2016. "complete thesaurus" https://smartdefine.org/complete/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, complete thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/complete/thesaurus/antonyms>.
MLASmart Define. "complete thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/complete/thesaurus/antonyms>