Gratuitous

Adjective

 * 1) Given freely; unearned.
 * 2) Not called for by the circumstances; uncalled-for; without reason, cause, or proof; adopted or asserted without any good ground; unjustified.

Synonyms

 * unjustified
 * groundless
 * baseless
 * unfounded
 * unnecessary

Antonyms

 * onerous

Derived terms

 * gratuitousness
 * gratuitous praise
 * gratuitous violence

Related terms

 * gratis
 * gratuity

Coordinate terms

 * superfluous

Adverbs for Gratuitous
unexpectedly; surprisingly; acceptably; generously; pleasantly; unnecessarily; cordially; genially; graciously; tactfully; helpfully; impulsively; incredibly.

Thesaurus
God-given, accorded, aimless, allowed, amorphous, arbitrary, autonomous, baseless, bestowed, biggety, bluff, bottomless, brash, capricious, casual, charitable, cheeky, chutzpadik, cocky, complimentary, contemptuous, costless, crusty, de trop, derisive, desultory, disarticulated, discontinuous, discretional, discretionary, disjunct, disordered, dispensable, dispersed, disproportionate, disrespectful, elective, eleemosynary, erratic, excess, expendable, expenseless, expletive, facy, fitful, flip, flippant, for free, for love, for nothing, formless, free, free as air, free for nothing, free gratis, free of charge, free of cost, free will, freebie, fresh, frivolous, gally, giftlike, given, granted, gratis, groundless, haphazard, hit-or-miss, immethodical, impertinent, impudent, in excess, inchoate, incoherent, indefensible, independent, indiscriminate, irrational, irregular, malapert, meaningless, misshapen, needless, nervy, nonessential, nonmandatory, nonsymmetrical, nonsystematic, nonuniform, offered, on the house, optional, orderless, pert, planless, pleonastic, proffered, prolix, promiscuous, providential, random, reasonless, redundant, rude, sassy, saucy, self-acting, self-active, self-determined, self-determining, senseless, shapeless, smart, smart-alecky, smart-ass, spare, spasmodic, spontaneous, sporadic, straggling, straggly, supererogatory, superfluous, systemless, tautologic, tautologous, to spare, unarranged, unasked, unbesought, unbidden, unbought, uncalled-for, unclassified, uncoerced, uncompelled, undirected, unessential, unforced, unfounded, ungraded, ungrounded, uninfluenced, uninvited, unjoined, unjustifiable, unjustified, unlooked-for, unmethodical, unnecessary, unneeded, unordered, unorganized, unpaid-for, unpressured, unprompted, unrequested, unrequired, unsolicited, unsorted, unsought, unsupportable, unsymmetrical, unsystematic, untaxed, ununiform, unwarranted, unwelcome, vague, verbose, voluntary, volunteer, vouchsafed, wandering, wanton, willful, willing, wise-ass, without charge

Etymology
From gratuitus: <  gratia:, gratus:

Translations

 * Finnish:, pyyteetön


 * Russian:, безвозмездный, незаслуженный


 * Finnish:, ,


 * German: unnötig, überflüssig
 * Hungarian: indokolatlan, fölösleges
 * Russian: беспричинный, необоснованный