Antonyms of adj tactful

2 senses of tactful

Sense 1
tactful (vs. tactless) -- (having or showing a sense of what is fitting and considerate in dealing with others; "she was tactful enough not to shatter his illusion"; "a tactful remark eased her embarrassment")

tactless (vs. tactful), untactful -- (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")

Sense 2
tactful, kid-glove -- (showing skill and sensitivity in dealing with people; "by diplomatic conduct he avoided antagonizing anyone"; "a tactful way of correcting someone"; "the agency got the kid-glove treatment on Capitol Hill")

INDIRECT (VIA diplomatic) -> undiplomatic -- (not skilled in dealing with others)

Similarity of adj tactful

2 senses of tactful

Sense 1
tactful (vs. tactless) -- (having or showing a sense of what is fitting and considerate in dealing with others; "she was tactful enough not to shatter his illusion"; "a tactful remark eased her embarrassment")
       => discerning, discreet -- (unobtrusively perceptive and sympathetic; "a discerning editor"; "a discreet silence")
          Also See-> considerate#1

Sense 2
tactful, kid-glove -- (showing skill and sensitivity in dealing with people; "by diplomatic conduct he avoided antagonizing anyone"; "a tactful way of correcting someone"; "the agency got the kid-glove treatment on Capitol Hill")
       => diplomatic (vs. undiplomatic), diplomatical -- (using or marked by tact in dealing with sensitive matters or people; "the hostess averted a confrontation with a diplomatic chenage of subject")