6
forgetful(adjective, remember)
3
unretentive
3
absentminded
2
permeable
1
intermittent
-1
delinquent
-1
out of it(expression, idiom, mindful)
-1
powerless
-2
short
-2
unconfident
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APASmart Define. (2015). retentive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/retentive/thesaurus/antonyms
ChicagoSmart Define. 2015. "retentive thesaurus" https://smartdefine.org/retentive/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, retentive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/retentive/thesaurus/antonyms>.
MLASmart Define. "retentive thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/retentive/thesaurus/antonyms>