vaguen

Etymology
From, (1906–1989), apparently first in a manuscript note to himself on an initial typescript of his play Happy Days (1961).

Verb

 * 1)  To make (something) vague or more vague; to blur, to obscure.
 * 2)  To become (more) vague; to blur.
 * 1)  To become (more) vague; to blur.
 * 1)  To become (more) vague; to blur.
 * 1)  To become (more) vague; to blur.
 * 1)  To become (more) vague; to blur.
 * 1)  To become (more) vague; to blur.

Usage notes
The word is chiefly used in relation to Beckett’s works and writing style.