clip-onTranslate clip-on | into Italian | into Spanish Definition of clip-on adjective attached by a clip so as to be easy to fasten or remove:a clip-on bow tie noun (clip-ons) things, especially sunglasses or earrings, that are attached by clips: these clip-ons are so lightweight you’ll forget you’re wearing themclip-on in other Oxford dictionaries Definition of clip-on in the US English dictionary