49 entries under adjective topic. ×

6
unreasoning(characteristic, thoughtlessness, silliness)
5
imprudent(characteristic, thoughtlessness, silliness)
5
unheeding(characteristic, thoughtlessness, silliness)
5
witless(characteristic, thoughtlessness, silliness)
4
active(activity, characteristic, involvement)
4
flighty(characteristic, thoughtlessness, silliness)
4
ill-considered(characteristic, thoughtlessness, silliness)
4
negligent(characteristic, thoughtlessness, silliness)
4
undiscerning(characteristic, thoughtlessness, silliness)
4
unreasonable(characteristic, thoughtlessness, silliness)
3
careless(characteristic, thoughtlessness, silliness)
3
confused(characteristic, thoughtlessness, silliness)
3
doltish(characteristic, thoughtlessness, silliness)
3
dull(characteristic, thoughtlessness, silliness)
3
foolish(characteristic, thoughtlessness, silliness)
3
ill-advised(characteristic, thoughtlessness, silliness)
3
inadvertent(characteristic, thoughtlessness, silliness)
3
inane(characteristic, thoughtlessness, silliness)
3
incomprehensible(characteristic, thoughtlessness, silliness)
3
injudicious(characteristic, thoughtlessness, silliness)
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APASmart Define. (2015). ruminative thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ruminative/thesaurus/antonyms
ChicagoSmart Define. 2015. "ruminative thesaurus" https://smartdefine.org/ruminative/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, ruminative thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ruminative/thesaurus/antonyms>.
MLASmart Define. "ruminative thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/ruminative/thesaurus/antonyms>