nonstandard

adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about nonstandard at Wordnik → Where our words come from →

1. 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

2. Varying from or not adhering to a standard.

   nonstandard windows

3. Not standard; not accepted as a model of excellence.

   a nonstandard text