As a Noun: 1. A colour that is between red and blue; a reddish-blue colour. English = purple. 2. A colour that is between red and blue, but with more blue than red; a bluish purple. English = violet. 3. A colour that is between red and blue, but which is more pale (ie lighter or whiter) than purple; a light purple. English = mauve. As a Verb or Adjective: 1. To be reddish-blue in colour. English = (be) purple. 2. To be bluish purple in colour. English = (be) violet. 3. To be light purple in colour. English = (be) mauve.