1. nonstandard - Noun
2. nonstandard - Adjective
not standard; not accepted as a model of excellence
varying from or not adhering to a standard
not conforming to the language usage of a prestige group within a community
Source: WordNetFor me MOND is just as nonstandard as ΛCDM. Pavel Kroupa
a nonstandard text Source: Internet
nonstandard windows Source: Internet
envelopes of nonstandard sizes Source: Internet
nonstandard lengths of board Source: Internet
a nonstandard dialect is one used by uneducated speakers or socially disfavored groups Source: Internet