different between unacceptable vs nonstandard

English

Etymology

From Middle English unacceptabylle, equivalent to un- +? acceptable.

Pronunciation

• (UK) IPA^(key): /??n.æk.?s?p.t?.bl?/, /??n.?k.?s?p.t?.bl?/, [??n.æk.?s?p.t??.b??], [??n.?k.?s?p.t??.b??]
• (US) IPA^(key): /??n.æk.?s?p.t?.bl?/, /??n.?k.?s?p.t?.bl?/, [??n.æk.?s?p.t??.b??], [??n.??k.?s?p.t??.b??]

Adjective

unacceptable (comparative more unacceptable, superlative most unacceptable)

1. unsatisfactory; not acceptable
2. (linguistics) not conforming to accepted usage

Synonyms

• inacceptable (less common)

Antonyms

• acceptable

Translations

Noun

unacceptable (plural unacceptables)

1. Something that is not acceptable.

English

Alternative forms

• non-standard

Etymology

non- +? standard

Adjective

nonstandard (comparative more nonstandard, superlative most nonstandard)

1. Not standard.

   Synonym: unstandard

   Antonym: standard

2. (linguistics) Not conforming to the standard variety, or to the language as used by the majority of its speakers.

   • The resulting sequence of covert wh-pronoun + Complementiser has an overt counterpart in nonstandard varieties of English, as the following example (recorded from a BBC radio programme) illustrates:
     (91)      England put themselves in a position [whereby that they took a lot of credit for tonight?s game] (Ron Greenwood, BBC radio 4)

   Synonym: substandard

Derived terms

Translations

Noun

nonstandard (plural nonstandards)

1. Something that is not standard.
   • 2008, Robert Cowart, Brian Knittel, Special Edition Using Microsoft Windows Vista (page 438)

     Unlike the TV standard we are all accustomed to, the Web is the wild, wild West of video nonstandards.