ALL meanings of non standard
non- stand·ard
N n - abbreviation NON STANDARD not standard. 1
- adjective non standard not conforming in pronunciation, grammar, vocabulary, etc., to the usage characteristic of and considered acceptable by most educated native speakers; lacking in social prestige or regionally or socially limited in use: a nonstandard dialect; nonstandard English. Compare standard (def 27). 1
- adjective non standard Mathematics. of or relating to a generalized system of numbers that includes the real numbers but also includes infinite and infinitesimal numbers: nonstandard analysis. 1