define as

define (something) as (something)

To describe, designate, or label something as something. Oh, Molly's not coming to the parade because she defines these kind of events as chaotic and overwhelming.
See also: define
Farlex Dictionary of Idioms.

define something as something

to label something as being something. I define that kind of behavior as just plain rude! We have to define that comment as careless and unthinking.
See also: define
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a slew of (something)
  • (I) wouldn't (do something) if I were you
  • a slue of (something)
  • a/the feel of (something)
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • a fast talker
  • all for the best
References in classic literature
In common use they define a citizen to be one who is sprung from citizens on both sides, not on the father's or the mother's only.