- any chiefly low, stemless or leafy-stemmed plant of the genus Viola, having purple, blue, yellow, white, or variegated flowers.
- any such plant except the pansy and the viola.
- the flower of any native, wild species of violet, as distinguished from the pansy: the state flower of Illinois, New Jersey, and Rhode Island.
- any of various similar plants of other genera.
- reddish-blue, a color at the opposite end of the visible spectrum from red, an effect of light with a wavelength between 400 and 450 nanometers.
- of the color violet; reddish-blue: violet hats.
- a female given name.
- any of various temperate perennial herbaceous plants of the violaceous genus Viola, such as V. odorata (sweet (or garden) violet), typically having mauve or bluish flowers with irregular showy petals
- any other plant of the genus Viola, such as the wild pansy
- any of various similar but unrelated plants, such as the African violet
- any of a group of colours that vary in saturation but have the same purplish-blue hue. They lie at one end of the visible spectrum, next to blue; approximate wavelength range 445–390 nanometres
- (as adjective)
- a dye or pigment of or producing these colours
- violet clothing
- a shy person
