nonsense
US /ˈnɑːn.sens/
UK /ˈnɑːn.sens/

1.
spoken or written words that have no meaning or make no sense
:
•
His speech was full of complete nonsense.
•
Don't talk nonsense, that's impossible!
2.
foolish or unacceptable behavior
:
•
I won't tolerate any more of your nonsense!
•
Stop all this nonsense and get to work!
1.
used to express that something is foolish or absurd
:
•
Nonsense! You can't possibly believe that.
•
Oh, nonsense, it's not that bad.