直なおきMeanings1nounstraight; uprightRefers to something physically straight or morally upright. Somewhat literary or old-fashioned; in modern casual speech まっすぐ is more common.彼かれは直なおきな性せい格かくで、嘘うそがつけない。He has an upright character and cannot tell a lie.この道みちは直なおきで、まっすぐに伸のびている。This road is straight and extends directly ahead.