[{"Bold_text": "adjective", "List Items": ["happening or likely to happen in an unplanned or subordinate conjunction with something else.Synonyms: contingent , fortuitous , chance , casual Antonyms: fundamental", "incurred casually and in addition to the regular or main amount:incidental expenses.", "likely to happen or naturally appertaining (usually followed byto)."]}, {"Bold_text": "noun", "List Items": ["something incidental, as a circumstance.", "incidentals,minor expenses."]}]