adj. 25B6; adjective
the vegetables are tasteless : FLAVOURLESS, bland, insipid, unappetizing, savourless, watery, weak.
tasteless leather panelling : VULGAR, crude, tawdry, garish, gaudy, loud, trashy, showy, ostentatious, cheap, inelegant; informal flash, flashy, tacky, kitsch; Brit. informal naff.
a tasteless remark : CRUDE, vulgar, indelicate, uncouth, crass, tactless, undiplomatic, indiscreet, inappropriate, offensive.
tasty, tasteful, seemly.