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

[ Syn: loose ]

having or fostering a warm or friendly and informal atmosphere; had a cozy chat; a relaxed informal manner; an intimate cocktail lounge; the small room was cozy and intimate

[ Syn: cozy , intimate ]