Informal

Adjective

 * 1) Not formal or ceremonious; casual.
 * an informal get-together
 * 1) Not in accord with the usual regulations; unofficial.
 * an informal agreement
 * 1) Suited for everyday use.
 * informal clothes
 * 1)  Reflecting everyday, non-ceremonious usage.
 * 2)  Not organized; not structured or planned.

Adverbs for Informal
graciously; intimately; delightfully; carelessly; charmingly; elaborately; deliberately; artfully; intentionally; happily; sweetly; pleasantly; amiably; agreeably; enchanting-ly; surprisingly; naively; remarkably; attractively; naturally; oddly; unexpectedly; heartily; cordially; diplomatically; exceedingly; habitually.

Thesaurus
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

Translations

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Anagrams

 * formalin

Adjective

 * 1) informal