(a.) Destitute of tact.

abrupt airy awkward blanket bluff blunt boorish brash brusque bungling caddish careless casual clumsy coarse crude cursory degage discourteous disregardant disregardful disrespectful easygoing flippant forgetful free and easy gauche general gruff heedless ill-bred impertinent impolite impolitic imprudent inconsiderate indelicate indifferent indiscreet indiscriminate indiscriminative inept injudicious insensitive insouciant lazy loutish louty maladroit nasty nonjudgmental oblivious offensive offhand perfunctory promiscuous reckless regardless respectless rough rude thoughtless uncivil uncivilized uncouth uncritical uncriticizing undemanding undifferentiating undiplomatic undiscreet undiscriminating undiscriminative unexacting unfastidious unfeminine ungenteel ungentle ungentlemanly unheedful unheeding unladylike unmeticulous unmindful unparticular unrefined unselective unsolicitous unsophisticated unsubtle untactful unthinking unwise vulgar wholesale