Synonyms: iridescent, nacreous, opalescent, opaline, pearlescent
Definition: having a play of lustrous rainbow colors
Usage: an iridescent oil slick; nacreous (or pearlescent) clouds looking like mother-of-pearl; a milky opalescent (or opaline) luster
Similar words: bright
Definition: emitting or reflecting light readily or in large amounts
Usage: the sun was bright and hot; a bright sunlit room
Synonyms: changeable, chatoyant, iridescent, shot
Definition: varying in color when seen in different lights or from different angles
Usage: changeable taffeta; chatoyant (or shot) silk; a dragonfly hovered, vibrating and iridescent