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.
Smug stupidity; utter foolishness.
Lack of sense or meaning; silliness
Extravagant foolishness or frivolity:
The quality or state of being absurd; nonsense
An unconventional or extravagant, and often largely purposeless, building or structure
The quality or condition of being inept
An instance of this
(Countable) An act that is stupid.
Something, such as an act or suggestion, that is considered stupid or foolish.
The definition of lunacy is the state of being insane or wild foolishness.
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, insanity, ability, zaniness, giddiness, fatuity, foolishness, goofiness and inanity.