tact·less /ˈtæktləs/
 (a.)無機智的,不機敏的,不得體的


 Tact·less a. Destitute of tact.

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 tactless
      adj 1: lacking or showing a lack of what is fitting and considerate
             in dealing with others; "in the circumstances it was
             tactless to ask her age" [syn: untactful] [ant: tactful]
      2: showing skill in handling difficult situations [syn: undiplomatic]
      3: revealing lack of perceptiveness or judgment or finesse; "an
         inept remark"; "it was tactless to bring up those
         disagreeable" [syn: inept]