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.
Extravagant foolishness or frivolity:
Something empty of meaning or sense.
The quality or fact of being devoid of something specified:
Find another word for senselessness. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for senselessness, like: absurdity, folly, foolery, foolishness, idiocy, imbecility, insanity, lunacy, madness, nonsense and preposterousness.