Synonyms|1.4kAntonyms|464|Broader|16Narrower|51Related|1.9k
1
unintentional
1
unplanned
1
unrestrained
1
unsuspecting
1
unsuspicious
1
unthinking(adjective, careless, thoughtful)
1
unwise(adjective, false, loose, prudent, reckless)
1
vagarious
1
venturesome
1
wasteful
0
abridge
0
abstracted
0
accidental
0
additional
0
adventure(state, feeling, caution)
0
adventuresome
0
all over the map
0
amiss
0
animal
0
any old way
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APASmart Define. (2016). careful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/careful/thesaurus/antonyms
ChicagoSmart Define. 2016. "careful thesaurus" https://smartdefine.org/careful/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, careful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/careful/thesaurus/antonyms>.
MLASmart Define. "careful thesaurus" 24 January 2016. Web. 29 September 2026. <https://smartdefine.org/careful/thesaurus/antonyms>