1
imprudent
1
impulsive
1
injudicious
1
jejune
1
meaningless
1
mindless
1
moony(adjective, ignore, forget, vague, absent)
1
muddle-headed
1
nuts(adjective, silly, foolish, crazy, zany)
1
oblivious(adjective, ignore, forget, vague, absent)
1
risible
1
scatter-brained(adjective, ignore, forget, vague, absent)
1
thimble-witted
1
unfocused(adjective, ignore, forget, vague, absent)
1
vague(adjective, ignore, forget, absent)
1
wool gathering(adjective, ignore, forget, vague, absent)
1
zany(adjective, silly, foolish, crazy, funny)
0
acting crazy(expression, adjective, silly, foolish, crazy)
0
addle-brained
0
adventurous
13 years ago|2.7k views|share |citing 
APASmart Define. (2013). hare-brained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hare-brained/thesaurus/synonyms
ChicagoSmart Define. 2013. "hare-brained thesaurus" https://smartdefine.org/hare-brained/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, hare-brained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hare-brained/thesaurus/synonyms>.
MLASmart Define. "hare-brained thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/hare-brained/thesaurus/synonyms>