having or fostering a warm or friendly atmosphere; especially through smallness and informality; "had a cozy chat"; "a relaxed informal manner"; "an intimate cocktail lounge"; "the small room was cozy and intimate"
not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends"
used of spoken and written language
not officially recognized or controlled; "an informal agreement"; "a loose organization of the local farmers"
not formal
having or fostering a warm or friendly and informal atmosphere
