88 entries under foolish topic. ×

7
crazy(adjective, beat, wild, strange, silly)
7
loony(adjective, silly, crazy, unwise)
6
insane(adjective, wild, silly, crazy)
6
lunatic(adjective, silly, crazy, mad)
6
mental(adjective, silly, crazy, mad)
6
nuts(adjective, silly, crazy, mad)
5
barmy(adjective, silly, crazy, mad)
5
batty(adjective, silly, crazy, mad)
5
crazed(adjective, wild, silly, crazy)
5
cuckoo(adjective, silly, crazy, mad)
5
daft(adjective, silly, crazy, mad)
5
demented(adjective, wild, silly, crazy)
5
deranged(adjective, wild, silly, crazy)
5
mad(adjective, wild, silly, crazy)
5
of unsound mind(expression, adjective, idiom, wild, silly)
5
potty(adjective, wild, silly, mad)
5
unhinged(adjective, silly, mad, insane)
4
cracked(adjective, silly, crazy, mad)
4
nutty(adjective, silly, crazy, mad)
4
touched(adjective, silly, crazy, mad)
13 years ago|3.4k views|share |citing 
APASmart Define. (2013). out to lunch thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/out_to_lunch/thesaurus/synonyms
ChicagoSmart Define. 2013. "out to lunch thesaurus" https://smartdefine.org/out_to_lunch/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, out to lunch thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/out_to_lunch/thesaurus/synonyms>.
MLASmart Define. "out to lunch thesaurus" 17 May 2013. Web. 28 September 2026. <https://smartdefine.org/out_to_lunch/thesaurus/synonyms>