Nonstandard

(adj.) not standard; not accepted as a model of excellence; 'a nonstandard text' .

(adj.) varying from or not adhering to a standard; 'nonstandard windows'; 'envelopes of nonstandard sizes'; 'nonstandard lengths of board' .

(adj.) not conforming to the language usage of a prestige group within a community; 'a nonstandard dialect is one used by uneducated speakers or socially disfavored groups'; 'the common core of nonstandard words and phrases in folk speech'- A.R.Dunlap .

手打:温迪