English

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Etymology

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From un- +‎ grammatical.

Adjective

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ungrammatical (comparative more ungrammatical, superlative most ungrammatical)

  1. (linguistics) In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable or incorrect usage.

Usage notes

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In formal linguistics, ungrammatical sentences are labelled using an asterisk (*):

*The subject of this sentence is.

This convention goes back at least as far as Leonard Bloomfield's Language (1933).

Synonyms

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Antonyms

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Derived terms

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Translations

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