Unattractive, plain, homely, repulsive, ugly, unsightly, awkward, unappealing, uncharming, ungraceful, ungainly, unrefined, unpolished, rough, coarse, ordinary, average, mediocre, unremarkable, bland, unmemorable, forgettable, unexceptional, unimpressive, uninspiring, dull, lifeless, lackluster, drab, gloomy, dreary, grim, uninviting, uninteresting, unexciting, uneventful, monotonous, tedious, boring, dull, insipid, colorless, unexpressive, unemotional, bland, unremarkable, ordinary, average, run-of-the-mill.