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" Synonym(s):tactless, untactful Antonym(s):tactful
revealing lack of perceptiveness or judgment or finesse; "an inept remark"; "it was tactless to bring up those disagreeable" Synonym(s):inept, tactless
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Dictionary De - En
De - Es
De - Pt