Brightly coloured or variegated, as if painted.

Of, relating to, or employing an optical prism; formed, separated, or distributed by or as by a transparent prism.

Produced as by refraction in a prism; having prismatic colours, brightly or many-coloured.

Of, relating to, or produced by a prism, esp. one which is transparent; (in extended use also) brightly coloured, brilliant. Cf. prismatic, adj. 2.

Of, relating to, or produced by a prism; prismatic. Chiefly figurative.

Lively, exciting, spirited; bright, vivid, gaudy; showy, flashy, ostentatious.

Designating a style of popular music inspired or influenced by the effects of psychedelic drugs, typically featuring musical experimentation…