Meaning of INFORMAL in English

INFORMAL

adj. Function: adjective

1 conducted or carried out without rigidly prescribed procedure FF1C; carried on an informal investigation FF1E;

Synonyms: irregular, unceremonious, unofficial

Related Words: casual, spontaneous; unauthorized; unconventional; private, special

Contrasted Words: authorized, ceremonious, conventional, official, regular

Antonyms: formal

2

Synonyms: EASYGOING 3, breezy, casual, ||common, dégagé, low-pressure, relaxed, ||sonsy, unconstrained, unfussy

Related Words: familiar, natural, simple

Contrasted Words: affected, mannered, prim, rigid, stiff, stilted

Antonyms: formal

Merriam Webster. Collegiate thesaurus English dictionary.      Английский энциклопедический толковый словарь тезауруса.