tactless
1. [ adjective ] showing skill in handling difficult situations
Synonyms: undiplomatic
Related terms: impolitic
2. [ adjective ] lacking or showing a lack of what is fitting and considerate in dealing with others
Synonyms: untactful
Examples:

"in the circumstances it was tactless to ask her age"

Related terms: tactful inelegant inconsiderate
3. [ adjective ] revealing lack of perceptiveness or judgment or finesse
Synonyms: inept
Examples:

"an inept remark" "it was tactless to bring up those disagreeable"

Related terms: maladroit
Similar spelling:   tactlessly
  tasteless
  tastelessly
  tactile
  tastily
  tactual
  tacitly