Synonyms of grammatical in English:

grammatical


See US English definition of grammatical

See UK English definition of grammatical

See Spanish definition of gramatical

adjective

1‘the grammatical structure of a sentence’

SYNONYMS
syntactic, morphological, semantic
linguistic, phonological

2‘the report should be written in short grammatical sentences’

SYNONYMS
well formed, correct, idiomatic, acceptable, allowable
ANTONYMS

ungrammatical, solecistic