INFORMAL Definition Meaning - Dictionary. com without formality or ceremony; casual an informal visit not according to the prescribed, official, or customary way or manner; irregular; unofficial informal proceedings suitable to or characteristic of casual and familiar, but educated, speech or writing
Informal - definition of informal by The Free Dictionary 1 not of a formal, official, or stiffly conventional nature: an informal luncheon 2 appropriate to everyday life or use: informal clothes 3 (Grammar) denoting or characterized by idiom, vocabulary, etc, appropriate to everyday conversational language rather than to formal written language 4
INFORMAL definition and meaning | Collins English Dictionary Informal speech or behaviour is relaxed and friendly rather than serious, very correct, or official She is refreshingly informal His friend was less good-looking, but a lot more informal and relaxed