informal

Adjective

• 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
    

• used of spoken and written language

• not officially recognized or controlled
  • an informal agreement
    
  • a loose organization of the local farmers
    

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

Related words

• Synonyms: 
  cozy , intimate , loose