" tactlessly "

1: as in rudely, impolitely;

•  Synonyms : 

•  impolitely,

•  inconsiderately,

•  rudely,

•  abruptly,

•  bluntly,

•  brusquely,

•  curtly,

•  gruffly,

•  point-blank,

•  sharply,

•  truthfully,

•  veraciously,

•  artlessly,

•  earnestly,

•  simply,

•  sincerely,

•  baldly,

•  bluffly,

•  candidly,

•  frankly,

•  honestly,

•  openheartedly,

•  openly,

•  unguardedly,

•  unreservedly,

•  directly,

•  forthrightly,

•  foursquare,

•  plain,

•  plainly,

•  straight,

•  straightforward,

•  straightforwardly

•  Antonyms : 

•  long-windedly,

•  verbosely,

•  wordily,

•  civilly,

•  courteously,

•  diplomatically,

•  politely,

•  tactfully,

•  deceitfully,

•  mendaciously,

•  untruthfully,

•  erroneously,

•  fallaciously,

•  falsely,

•  hypocritically,

•  insincerely,

•  ambiguously,

•  circuitously,

•  equivocally,

•  evasively,

•  indirectly

1: showing poor judgment especially in personal relationships or social situations;

  * e.g., " ... made a tactless remark about how the apartment had that lived-in look "

•  Synonyms : 

•  brash,

•  graceless,

•  ill-advised,

•  imprudent,

•  inadvisable,

•  indelicate,

•  indiscreet,

•  injudicious,

•  undiplomatic,

•  unwise

•  Antonyms : 

•  advisable,

•  discreet,

•  judicious,

•  prudent,

•  tactful,

•  wise