informal

definition: not formal
example: conservative people unaccustomed to informal dress
speech part: adjective
synonyms:
definition: used of spoken and written language
example:
speech part: adjective
synonyms:
definition: having or fostering a warm or friendly and informal atmosphere
example:
speech part: adjective
synonyms: cozy
definition: not officially recognized or controlled
example: an informal agreement
speech part: adjective
synonyms: loose

informal is explained and pronounced

How informal is being used?