Nonsense \Non"sense\, n. [Pref. non- + sense: cf. F. nonsens.]

1. That which is not sense, or has no sense; words, or language, which have no meaning, or which convey no intelligible ideas; absurdity.

2. Trifles; things of no importance.

Nonsense verses, lines made by taking any words which occur, but especially certain words which it is desired to recollect, and arranging them without reference to anything but the measure, so that the rhythm of the lines may aid in recalling the remembrance of the words.

Syn: Folly; silliness; absurdity; trash; balderdash.

Source: Webster's Revised Unabridged Dictionary (1913)