Mistaken or incorrect; not accurate.
(Linguistics) Associated with a language variety used by uneducated speakers or socially disfavored groups.
Contrary to good taste or decency; indecorous
Having a fault or faults; defective, blemished, imperfect, or erroneous
Contrary to conscience, morality, or law:
not grammatical; not conforming to the rules of grammar or accepted usage
The definition of grammatical is anything that has to do with sentences, punctuation, or the correct ways to write or speak a language.
Find another word for ungrammatical. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for ungrammatical, like: inaccurate, incorrect, solecistic, nonstandard, improper, faulty, imprecise, wrong, ill-formed, grammatical and idiomatic.