名詞 nondescript:

1. a person is not easily classified and not very interesting

形容詞 nondescript:

1. lacking distinct or individual characteristics; dull and uninteresting
   同義詞：characterless

1. He's such a nondescript you'd never notice him in a crowd.
   他沒有什麼特徵，在人群里決顯不出他來。

non.de.script

adj.（形容詞）
Lacking distinctive qualities; having no individual character or form:
難以歸類的：無明顯的特征的，無個(gè)體特點(diǎn)或形式的：
例句：
.This expression gave temporary meaning to a set of features otherwise nondescript.(Katherine Anne Porter)
.這一詞語給整套節(jié)目以暫時(shí)的意義，否則毫無特色.(凱瑟琳·安妮·波特)

來源：
non-
non-
Latin dôscroptus [past participle of] dôscrobere [to describe] * see describe
拉丁語 dôscroptus [] dôscrobere的過去分詞 [描寫，描述] *參見 describe

【引伸】
non.descript.
n.（名詞）