Synonyms and related words :
arid, banal, bare, barren, betwixt and between, blah, bland, blank, bleached, bloodless, bromidic, changeable, characterless, clear, cold, colorless, common, commonplace, dead, devoid, dilute, diluted, dismal, distasteful, draggy, drearisome, dreary, driveling, dry, dryasdust, dull, dusty, effete, elephantine, empty, etiolated, fade, fair, fair to middling, fairish, featureless, feeble, flat, flavorless, gruelly, halfhearted, heavy, ho-hum, hollow, humdrum, ill-flavored, inane, indecisive, indifferent, inexcitable, infirm of purpose, infirm of will, innocuous, irresolute, jejune, lackluster, leaden, lifeless, low-spirited, matter-of-fact, mediocre, medium, middling, mild, milk-and-water, milky, moderate, modest, mundane, mushy, namby-pamby, neutral, null, null and void, of a kind, of a sort, of sorts, ordinary, pale, pallid, pappy, passable, pedestrian, plain, plodding, poetryless, pointless, poky, ponderous, prosaic, prosing, prosy, pulpy, respectable, sapless, savorless, slight, slow, so-so, soft, solemn, spiceless, spiritless, stale, sterile, stiff, stodgy, stuffy, subdued, superficial, swashy, tame, tasteless, tedious, tenuous, thin, tiresome, tolerable, unappetizing, unembellished, unflavored, unidealistic, unimaginative, unimpassioned, uninteresting, unlively, unpoetic, unrelieved, unromantic, unsavory, vacant, vacuous, vapid, void, washy, watered, watered-down, waterish, watery, weak, weariful, wearisome, white, wishy-washy, with nothing inside, without content, wooden