adj. 25B6; adjective INSENSITIVE, inconsiderate, thoughtless, indelicate, undiplomatic, impolitic, indiscreet, unsubtle, clumsy, heavy-handed, graceless, awkward, inept, gauche; blunt, frank, outspoken, abrupt, gruff, rough, crude, coarse; imprudent, injudicious, unwise; rude, impolite, uncouth, discourteous, crass, tasteless, disrespectful, boorish.
TACTLESS
Meaning of TACTLESS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012