Peculiarity \Pe*cul`iar"i*ty\, n.; pl. {Peculiarities}. 1. The quality or state of being peculiar; individuality; singularity. --Swift. 2. That which is peculiar; a special and distinctive characteristic or habit; particularity. The smallest peculiarity of temper on manner. --Macaulay. 3. Exclusive possession or right. [Obs.] --Bp. Hall.