nondescript

/ˌˈnɑndəˌskrɪpt/

Other forms: nondescripts; nondescriptly

Nondescript is a word used to describe something that isn't special or unusual in any way. You might have trouble finding a nondescript apartment building because it looks exactly like every other apartment building around it.

You could use the word nondescript to describe your blind date if she was completely uninteresting and dull, both in looks and personality. Some houses are so nondescript that you have to drive by several times just to make sure it's the right one.

Definitions of nondescript

1. adjective

   lacking distinct or individual characteristics; dull and uninteresting
   “women dressed in nondescript clothes”

   “a nondescript novel”

   synonyms: characterless

   ordinary

   not exceptional in any way especially in quality or ability or size or degree
2. noun

   a person who is not easily classified and not very interesting
   type of:

   individual, mortal, person, somebody, someone, soul

   a human being