[{"Bold_text": "adjective", "List Items": ["of or relating to a function :functional difficulties in the administration.", "capable of operating or functioning :When will the ventilating system be functional again?", "having or serving a utilitarian purpose; capable of serving the purpose for which it was designed:functional architecture; a chair that is functional as well as decorative.", "Alsofunc·tion·al·is·tic[].(of a building or furnishing) constructed or made according to the principles of functionalism primarily as a direct fulfillment of a material need.", "Medicine/Medical.without a known organic cause or structural change:Compare organic(def5) organic(def5).a functional disorder.", "pertaining to an algebraic operation:a functional symbol.", "Linguistics.(of linguistic analysis, language teaching, etc.) concerned with the communicative role of language rather than, in addition to, or as the framework for its formal structure."]}, {"Bold_text": "noun", "List Items": ["Mathematics.a function has a domain whose elements are functions ,sets, or the like, and that assumes numerical values."]}]