UPRIGHT

I. adjective Date: before 12th century 1. perpendicular , vertical , erect in carriage or posture, having the main axis or a main part perpendicular , marked by strong moral rectitude , ~ly adverb ~ness noun Synonyms: see: ~ II. adverb Date: 12th century vertically upward ; in an ~ position, III. noun Date: 1683 the state of being ~ ; perpendicular , something that stands ~, ~ piano