informal synonyms

informal

modif.

  1. Without formality

    casual, natural, relaxed, intimate, unceremonious, unstudied, frank, open, straightforward, free, extempore, spontaneous, congenial, easygoing, easy, unconstrained, unrestrained, unconventional, without ceremony, simple, unpretentious, homey; see also colloquial, friendly 1.

    Antonyms restrained*, ceremonial*, ritualistic. *

  2. Not requiring formal dress

    casual, ordinary, everyday, unofficial, habitual, motley, mixed, democratic, shirt-sleeve, sporty*; see also common 1.

    Antonyms formal, dressy, exclusive.

Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.