grammarian means A person who studies grammar, either scientifically or (traditionally) unscientifically.
grammarian is pronounced /ɡɹəˈmɛəɹɪən/.
Etymology
Inherited from Middle English gramarien, from Middle French gramarien, gramairien. Displaced native Old English stæfcræftiga.
noun
- A person who studies grammar, either scientifically or (traditionally) unscientifically.“Huddleston and Pullum are well-known grammarians of the 21st century.”
- A person who pedantically critiques the grammar of others' speech or writing, especially when unscientifically and misguidedly.“They spent hours disabusing the misinformed rants of various armchair grammarians.”