1
featherbrained
1
flighty
1
flippant
1
thoughtless
1
unthinking
0
brainless
0
wandering
0
silly
0
unreflective
-1
frivolous
-1
goofy
-1
harebrained
-1
light-headed
-1
mindless
-1
nonreflecting
-1
scatterbrained
10 years ago|259 views|share |citing 
APASmart Define. (2016). musing thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/musing/thesaurus/antonyms
ChicagoSmart Define. 2016. "musing thesaurus" https://smartdefine.org/musing/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, musing thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/musing/thesaurus/antonyms>.
MLASmart Define. "musing thesaurus" 2 March 2016. Web. 22 September 2026. <https://smartdefine.org/musing/thesaurus/antonyms>