tactless[
'tæktlis]
a. 

智

,


敏
tactless[ adj ]- lacking or showing a lack of what is fitting and considerate in dealing with others
<adj.all>
in the circumstances it was tactless to ask her age
- revealing lack of perceptiveness or judgment or finesse
<adj.all>
an inept remark
it was tactless to bring up those disagreeable

Tactless \Tact"less\, a.
Destitute of tact.