TACTLESS

adj. coarse, boorish, uncivilized, unsophisticated, rough, rude, uncouth, discourteous, ungentlemanly, unladylike, crude, gruff, bluff, abrupt, blunt, brusque, impertinent, disrespectful, uncivil, impolite, insensitive, awkward, bungling, clumsy, maladroit, inept, undiplomatic, thoughtless, gauche, unskilful, impolitic, imprudent, inconsiderate, injudicious, indiscreet, unwise It was pretty tactless of him to ask her out in front of his ex-girlfriend