Synonyms|445Antonyms|108|Broader|13Narrower|7Related|257
0
inconsideration
0
indifference
0
indiscretion
0
injudiciousness
0
inobservance
0
irresponsibility
0
laches
0
laxness
0
lethargy
0
listlessness
0
malingering
0
mindlessness
0
mistreatment
0
muddle
0
neglect
0
neglectfulness
0
nonchalance
0
nonperformance
0
oafishness
0
oversight
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APASmart Define. (2015). alertness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alertness/thesaurus/antonyms
ChicagoSmart Define. 2015. "alertness thesaurus" https://smartdefine.org/alertness/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, alertness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alertness/thesaurus/antonyms>.
MLASmart Define. "alertness thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/alertness/thesaurus/antonyms>