What is the meaning of Nonsense?

Letters or words, in writing or speech, that have no meaning or pattern or seem to have no meaning.

An untrue statement.

That which is silly, illogical and lacks any meaning, reason or value; that which does not make sense.

Something foolish.

A type of poetry that contains strange or surreal ideas, as, for example, that written by Edward Lear.

A damaged DNA sequence whose products are not biologically active, that is, that does nothing.

To make nonsense of;

To attempt to dismiss as nonsense; to ignore or belittle the significance of something; to render unimportant or puny.

To joke around, to waste time

Nonsensical.

Resulting from the substitution of a nucleotide in a sense codon, causing it to become a stop codon (not coding for an amino-acid).

An emphatic rejection of something one has just heard and does not believe or agree with.

nonsense (type of poetry)

nonsense

Source: wiktionary.org