A spending of more than is reasonable or necessary; excessive expenditure; wastefulness
The fact or quality of being impossible
The quality or condition of being stupid.
A costly undertaking having an absurd or ruinous outcome.
Foolish behavior or a foolish action
Something, such as an act or suggestion, that is considered stupid or foolish.
(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.
The definition of lunacy is the state of being insane or wild foolishness.
Find another word for preposterousness. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for preposterousness, like: foolishness, extravagance, ridiculousness, absurdity, impossibility, nonsense, stupidity, folly, foolery, idiocy and imbecility.