informal

Meanings

• not formal
  • "conservative people unaccustomed to informal dress"
  • "an informal free-and-easy manner"
  • "an informal gathering of friends"
• not officially recognized or controlled
  • "an informal agreement"
• used of spoken and written language
• having or fostering a warm or friendly and informal atmosphere
  • "a relaxed informal manner"

Synonyms

cozy, intimate, loose