Definitions for "nondescript"
Dull or uninteresting; undistinguished.
lacking distinct or individual characteristics; dull and uninteresting; "women dressed in nondescript clothes"; "a nondescript novel"
Keywords:  hitherto, described
Not hitherto described;
of no recognizable type or class; odd; abnormal; unclassifiable.
A thing not yet described; that of which no account or explanation has been given; something abnormal, or hardly classifiable.
a person is not easily classified and not very interesting
Keywords:  realism, scene, background, sense, add
A term used to designate vehicles or extras in the background. They add a sense of realism to a scene.