nongrammatical Synonyms

Strongest:

not of or relating to grammar, not grammatical, not following rules of grammar

The sentence "The dog is running the car" is nongrammatical because it violates the basic rules of grammar.
The phrase "very much uniquely" is nongrammatical because it contains two intensifiers, which is redundant.
The statement "I don't have no money" is nongrammatical because it uses a double negative.
The verb "to be" is nongrammatical when used as a transitive verb, as in the sentence "The book is the table."
The pronoun "I" is nongrammatical when used as a plural pronoun, as in the sentence "I went to the store with my friends."
The adjective "good" is nongrammatical when used as an adverb, as in the sentence "He played good in the game."
The preposition "of" is nongrammatical when used to introduce a subject complement, as in the sentence "The man of the house is tall."
The conjunction "but" is nongrammatical when used to connect two independent clauses without a comma, as in the sentence "She went to the store but she didn't buy anything."
The interjection "oh" is nongrammatical when used as a sentence, as in the sentence "Oh!"
The word "irregardless" is nongrammatical because it is a nonstandard variant of the word "regardless."

not of or relating to grammar, not grammatical, not following rules of grammar

unlearned, substandard, regional,ungrammatical, nonstandard, dialectical, incorrect, dialectic, uneducated, nonliterary

learned, formal,literary, standard, proper, grammatical, correct,bookish, undialectical,educated

The sentence "The dog is running the car" is nongrammatical because it violates the basic rules of grammar.

The phrase "very much uniquely" is nongrammatical because it contains two intensifiers, which is redundant.

The statement "I don't have no money" is nongrammatical because it uses a double negative.

The verb "to be" is nongrammatical when used as a transitive verb, as in the sentence "The book is the table."