shiny /ˈʃaɪ.ni/adjective 4noun 3forms 5phrases 1 adjective4 •bright because light comes back from its surfaceCommercially produced yarn, such as rayon, produces a cloth with a smoother, shinier look than hand-spun cotton, but the uneven, rugged look of hand-spun cotton can be quite appealing. — 2011 •Emitting light. •(informal) Excellent; remarkable.We're shiny, Okay? — 2007 •(no longer used) Bright; luminous; clear; unclouded.Like distant thunder on a shiny day. — 1665 noun3 •A desirable collectible. •(informal) Anything that glitters; a trinket. •(slang, disapproving) A deskworker. formsshinies · more shiny · shinier · most shiny · shiniest Phrases with shiny bite my shiny metal assAn expression of discontent or aggravation to another party.