na-adjective, adverb, noun
Archaic word for straightness in direction or posture. Modern Japanese uses 真っ直ぐ (まっすぐ) instead.
See also: 真っ直ぐ
古い地図には「真直ぐ北へ進む」と書いてある。
An old map says, 'Go straight north.'
na-adjective, noun
straightforward; honest; frank
Archaic use for a person's character. Now expressed with 真っ直ぐ (まっすぐ) or 率直 (そっちょく).
See also: 真っ直ぐ
彼は真直ぐな性格で、嘘をつかない。
He has a straightforward character and never lies.
The modern standard word for 'straight' or 'direct', replacing 真直ぐ in all contemporary usage.
The historical derivation is uncertain; the spelling is conventionally associated with the meaning 'straight'.