crisp, curt, laconic, terse (adj)

brief and to the point; effectively cut short

"a crisp retort"; "a response so curt as to be almost rude"; "the laconic reply; `yes'"; "short and terse and easy to understand"

laconic (Adjective)

Using as few words as possible; pithy and concise.

laconic

A laconic phrase or laconism is a concise or terse statement, especially a blunt and elliptical rejoinder. It is named after Laconia, the region of Greece including the city of Sparta, whose ancient inhabitants had a reputation for verbal austerity and were famous for their often pithy remarks.