Insipid1. (a.) Lacking flavor; without taste or savor; vapid; tasteless; as, insipid drink or food.
2. (a.) Wanting in spirit, life, or animation; uninteresting; weak; vapid; flat; dull; heavy; as, an insipid woman; an insipid composition.
Thesaurus Entries
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