n. The state or character of being right.n. Straightness; directness: as, the rightness of a line.n. Conformity with the laws regulating conduct; uprightness; rectitude; righteousness.n. Propriety; appropriateness; fittingness.n. Correctness; truth: as, the rightness of a conjecture.n. The state or attribute of being on the right hand; hence, in psychology, the sensation or perception of such a position or attribute.