3 definitions
for informal
From The Collaborative International Dictionary of English v.0.48 :
Informal \In*form"al\, a. [Pref. in- not + formal.]
1. Not in the regular, usual, or established form; not
according to official, conventional, prescribed, or
customary forms or rules; irregular; hence, without
ceremony; as, an informal writing, proceeding, or visit.
[1913 Webster]
2. Deranged in mind; out of one's senses. [Obs.]
[1913 Webster]
These poor informal women. --Shak.
[1913 Webster]
From WordNet (r) 2.0 :
informal
adj 1: not formal; "conservative people unaccustomed to informal
dress"; "an informal free-and-easy manner"; "an
informal gathering of friends" [ant: formal]
2: not officially recognized or controlled; "an informal
agreement"; "a loose organization of the local farmers"
[syn: loose]
3: used of spoken and written language [ant: formal]
4: having or fostering a warm or friendly atmosphere;
especially through smallness and informality; "had a cozy
chat"; "a relaxed informal manner"; "an intimate cocktail
lounge"; "the small room was cozy and intimate" [syn: cozy,
intimate]
From Moby Thesaurus II by Grady Ward, 1.0 :
108 Moby Thesaurus words for "informal":
Bohemian, affable, beat, beat-up, bedraggled, blowzy, breakaway,
careless, casual, chintzy, colloquial, common, conversational,
cordial, degage, dilapidated, drabbletailed, draggled,
draggletailed, easy, easygoing, en deshabille, everyday, familiar,
far out, folksy, free, free and easy, fringy, frowzy, frumpish,
frumpy, garden-variety, gracious, grubby, haymish, heretical,
heterodox, hippie, homely, homey, in dishabille, in rags,
irregular, kinky, loose, lumpen, maverick, messy, mussy, natural,
negligent, nonstandard, not cricket, not done, not kosher, offbeat,
offhand, offhanded, ordinary, original, plain, poky, private,
ragged, raggedy, relaxed, ruinous, scraggly, seedy, shabby, shoddy,
simple, slack, slatternly, slipshod, sloppy, slovenly, sluttish,
sociable, sordid, special, spoken, spontaneous, sporty, squalid,
substandard, tacky, tattered, unaffected, unassuming, unauthorized,
unceremonious, unconstrained, unconventional, uneducated,
unfashionable, unkempt, unliterary, unneat, unofficial, unorthodox,
unpretentious, unsightly, unstudied, untidy, vernacular, way out