disagreeable

Related

Adjectives:

acrid, acrimonious, apositic, bitter, bitter as gall, flat, gustless, ill-flavored, illepid, inesculent, ingustable, ingustible, insapory, insipid, loath, loathfulsome, mawkish, mild, milk and water, nasty, nauseous, offensive, rancid, rank, repulsive, rough, savorless, scabrous, sickening, stale, tasteless, unpalatable, unpleasant, unsavory, unsweet, untasted, vapid, void of taste, weak, wishy-washy