grammar noun
ADJ. correct, good Spelling and good grammar are both very important. | bad, incorrect | Arabic, French, Latin, etc. the complexities of English grammar
VERB + GRAMMAR correct, teach People were too polite to correct my grammar when I spoke German. | learn
GRAMMAR + NOUN rules
PHRASES the rules of grammar
You can also check other dicts: grammar (English, 中文解释 ), wordnet sense, Collins Definition