noun.
Letters or words, in writing or speech, that have no meaning or seem to have no meaning.
noun.
An untrue statement.
noun.
Something foolish.
noun.
A type of poetry that contains strange or surreal ideas, as, for example, that written by Edward Lear.
noun.
A damaged DNA sequence whose products are not biologically active, that is, that does nothing.
verb.
To make nonsense of
verb.
To attempt to dismiss as nonsense.
verb.
To joke around, to waste time