[{"Bold_text": "adjective", "List Items": ["without formality or ceremony; casual :an informal visit.Synonyms: easy , natural", "not according to the prescribed, official, or customary way or manner; irregular ; unofficial:informal proceedings.Synonyms: unconventional Antonyms: conventional", "suitable to or characteristic of casual and familiar, but educated, speech or writing.", "Grammar.characterizing the second singular pronominal or verbal form, or its use, in certain languages:the informal[hasp] tu in French."]}]