just; justifiable; right; due; proper; equitable; reasonable; legitimate; lawful
Example sentences
彼は時々正当な理由もなしに仕事を休む。
He sometimes is absent from work without good cause.
先生は彼女に正当な取り扱いをしなかった。
The teacher didn't do her justice.
正当な理由なしに学校を欠席すべきではない。
Never stay away from school without good cause.