from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Not formal or ceremonious; casual: an informal gathering of friends; a relaxed, informal manner.
- adj. Not being in accord with prescribed regulations or forms; unofficial: an informal agreement.
- adj. Suited for everyday wear or use: informal clothes.
- adj. Being more appropriate for use in the spoken language than in the written language.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not formal or ceremonious; casual.
- adj. Not in accord with the usual regulations; unofficial.
- adj. Suited for everyday use.
- adj. Reflecting everyday, non-ceremonious usage.
- adj. Not organized; not structured or planned.
from the GNU version of the Collaborative International Dictionary of English
- adj. Not in the regular, usual, or established form; not according to official, conventional, prescribed, or customary forms or rules; irregular; hence, without ceremony.
- adj. Deranged in mind; out of one's senses.
from The Century Dictionary and Cyclopedia
- Not formal; not in the regular or usual form or manner; not according to rule or custom; unceremonious; irregular: as, an informal writing; informal proceedings; an informal visit.
- Distracted or deranged in mind.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not officially recognized or controlled
- adj. having or fostering a warm or friendly and informal atmosphere
- adj. not formal
- adj. used of spoken and written language
Sorry, no etymologies found.