1. (

• informal ,

) not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends" ;

2. (

• informal ,
• loose

) not officially recognized or controlled; "an informal agreement"; "a loose organization of the local farmers" ;

3. (

• informal ,

) used of spoken and written language ;

4. (

• cozy ,
• intimate ,
• informal

) 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" ;