Foolish behavior or a foolish action
(Law) Unsoundness of mind sufficient to render a person unfit to maintain a contractual or other legal relationship or sufficient to warrant commitment to a mental health facility.
Lack of sense or meaning; silliness
The definition of lunacy is the state of being insane or wild foolishness.
Extravagant foolishness or frivolity:
Smug stupidity; utter foolishness.
An unconventional or extravagant, and often largely purposeless, building or structure
The quality or condition of being inept
An instance of this
Something, such as an act or suggestion, that is considered stupid or foolish.
(Countable) An act that is stupid.
Find another word for silliness. In this page you can discover 35 synonyms, antonyms, idiomatic expressions, and related words for silliness, like: foolery, craziness, buffoonery, ability, insanity, zaniness, giddiness, madness, foolishness, goofiness and inanity.