(Internet) An online photo- and video-sharing social networking service, originally designed to mimic old-fashioned instant cameras.
A user's profile or account on this service.
A photograph or video shared on this service.
(intransitive) To use the social networking service Instagram.
(transitive, intransitive) To post an image or video to Instagram.
(transitive, intransitive) To digitally manipulate a photograph using filter effects.