/ ˈnɒnsns; NAmE ˈnɑːnsens; -sns/ noun
1.
[ U , C ] ideas, statements or beliefs that you think are ridiculous or not true
SYN rubbish :
Reports that he has resigned are nonsense.
You're talking nonsense !
'I won't go.' 'Nonsense! You must go!'
It's nonsense to say they don't care.
The idea is an economic nonsense.
2.
[ U ] silly or unacceptable behaviour :
The new teacher won't stand for any nonsense.
—see also no-nonsense
3.
[ U ] spoken or written words that have no meaning or make no sense :
a book of children's nonsense poems
Most of the translation he did for me was complete nonsense.
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IDIOMS
- make (a) nonsense of sth
—more at stuff noun