Tasteless1. (a.) Having no taste; insipid; flat; as, tasteless fruit.
2. (a.) Destitute of the sense of taste; or of good taste; as, a tasteless age.
3. (a.) Not in accordance with good taste; as, a tasteless arrangement of drapery.
Thesaurus Entries
Doric, arid, barbarian, barbaric, barbarous, barren, base, blah, bland, blank, bloodless, boorish, cacophonous, changeable, characterless, cheap, chintzy, clumsy, coarse, cold, colorless, crude, dead, dilute, diluted, dismal, distasteful, doggerel, draggy, drearisome, dreary, dry, dryasdust, dull, dusty, dysphemistic, effete, elephantine, empty, etiolated, fade, flashy, flat, flavorless, garish, gauche, gaudy, graceless, gross, gruelly, halfhearted, harsh, heavy, ho-hum, hollow, ill-flavored, improper, impure, in bad taste, inane, inappropriate, inconcinnate, inconcinnous, incorrect, indecent, indecisive, indecorous, indelicate, indifferent, inelegant, inexcitable, infelicitous, infirm of purpose, infirm of will, insipid, irresolute, jejune, leaden, lifeless, loud, low, low-spirited, maladroit, meretricious, mild, milk-and-water, milky, mushy, neutral, offensive, outlandish, pale, pallid, pappy, pedestrian, plodding, pointless, poky, ponderous, pulpy, rude, sapless, savorless, slow, solemn, spiceless, spiritless, stale, sterile, stiff, stodgy, stuffy, superficial, tawdry, tedious, thin, unaesthetic, unappetizing, unbecoming, unbeseeming, uncourtly, uncouth, uncultivated, uncultured, undignified, uneuphonious, unfelicitous, unfitting, unflavored, ungenteel, ungraceful, uninteresting, unlively, unpolished, unrefined, unsavory, unseemly, unsuitable, untasteful, vapid, vulgar, washy, watered, watered-down, watery, weak, wild, wishy-washy, wooden, wrong