104 entries under silly topic. ×

27
insane(adjective, wild, foolish, stupid)
25
mad(adjective, wild, cruel, foolish)
25
crazy(adjective, wild, strange, cruel)
18
lunatic(adjective, hot, crazy, mad)
15
deranged(adjective, hot, crazy, mad)
13
berserk(adjective, wild, cruel, foolish)
13
crazed(adjective, wild, foolish, stupid)
13
demented(adjective, crazy, mad, insane)
13
delirious(adjective, crazy, mad, insane)
12
frenzied(adjective, wild, foolish, stupid)
11
loony(adjective, informal, foolish, stupid)
9
psychotic(adjective, foolish, stupid, crazy)
9
raving(adjective, wild, foolish, stupid)
8
of unsound mind(expression, adjective, idiom, mad)
7
batty(noun, adjective, slang, foolish)
7
daft(adjective, foolish, stupid, crazy)
7
unbalanced(adjective, crazy, mad, insane)
6
nuts(adjective, slang, wild, crazy)
6
wild(adjective, wrong, cruel, foolish)
5
barmy(adjective, foolish, crazy, mad)
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APASmart Define. (2016). maniacal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/maniacal/thesaurus/synonyms
ChicagoSmart Define. 2016. "maniacal thesaurus" https://smartdefine.org/maniacal/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, maniacal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/maniacal/thesaurus/synonyms>.
MLASmart Define. "maniacal thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/maniacal/thesaurus/synonyms>