Grossly

Adverb

 * 1) in a gross manner; without delicacy
 * 2)  roughly; approximately; inexactly; sketchily

Thesaurus
abjectly, abominably, arrantly, atrociously, awfully, basely, bestially, brutally, coarsely, contemptibly, crassly, crudely, despicably, detestably, disgustingly, dreadful, dreadfully, egregiously, excessively, execrably, exorbitantly, extortionately, extravagantly, flagrantly, foully, fulsomely, gougingly, heinously, horribly, horridly, immoderately, improperly, indecently, indecorously, indelicately, inelegantly, infamously, inordinately, loathsomely, meanly, miserably, monstrously, nastily, nauseatingly, nefariously, notoriously, obnoxiously, odiously, offensively, outrageously, pettily, poorly, preposterously, ribaldly, roughly, rudely, savagely, scandalously, scurvily, shabbily, shamefully, shockingly, shoddily, something fierce, sordidly, terribly, unconscionably, uncouthly, unduly, unreasonably, unseemly, untastefully, usuriously, viciously, vilely, vulgarly, wretchedly

Translations

 * French:
 * Portuguese: grosseiramente, indelicadamente