inanity
in-an-i-ty
noun
The quality or state of being extremely silly, senseless, or foolish.
"The sheer inanity of the plan was obvious."
noun
An extremely silly, senseless, or foolish act, remark, or idea.
"He often came out with some inanity."
Thesaurus
Synonyms: vacuity, mindlessness, senselessness, pointlessness