1) Bright 2) Chatoyant 3) Colorful 4) Colourful 5) Indiscreet 6) Opalescent 7) Opaline 8) Pearlescent 9) Prismal 10) Shot 1) Changeable 2) Chatoyant 3) Colorful 4) Colourful 5) Displaying rainbowlike colors 6) Flickering 7) Gleaming 8) Glistening 9) Glittering 10) Like certain seashells 11) Like opals 12) Like some avian plumage 13) Nacreous 14) Opaline 15) Rock ballad 16) Shining 17) Shot 18) Shot indiscreet suspect 19) Sparkling 
displaying a shining, rainbowlike range of colors (Morris 1992).
• (a.) Having colors like the rainbow; exhibiting a play of changeable colors; nacreous; prismatic; as, iridescent glass.
Having rainbow colors that appear to move or change as the angle at which they are seen changes.
A color effect created by weaving warp ends of one color and a weft of another color. The taffeta weave creates the best iridescent effects.
Presenting multiple bright refractile colours, typically as a result of optical interference when incident white light is broken into its spectral components when reflected back through several thin-layered films. ... Origin: G. Iris, rainbow ... (05 Mar 2000) ... 
Ir`i·des'cent adjective [ Latin iris , iridis , the rainbow: confer French iridescent .] Having colors like the rainbow; exhibiting a play of changeable colors; nacreous; prismatic; as, iridescent glass. 
Type: Term Pronunciation: ir′i-des′ent Definitions: 1. Presenting multiple bright refractile colors, typically as a result of optical interference when incident white light is broken into its spectral components when reflected back through several thin-layered films.
[adj] - having a play of lustrous rainbow-like colors
iridescent 1. Having rainbow colors that appear to move and change as the angle at which they are seen changes. 2. Having a lustrous or brilliant appearance. 3. Having a rainbow-like display of colors in reflected light; such as, in mother-of-pearl; also a reference to a colony of microorganisms.
nacreous adjective having a play of lustrous rainbow-like colors; `an iridescent oil slick`; `nacreous (or pearlescent) clouds looking like mother-of-pearl`; `a milky opalescent (or opaline) luster`
displaying a play of lustrous colors like those of the rainbow.