unbeautiful

unpleasant to look at a makeshift shelter that was unbeautiful perhaps, but it kept us out of the rain Synonyms grotesque, hideous, homely, ill-favored, monstrous, unappealing, unattractive, ugly, uncomely, unhandsome, unlovely, unpleasing, unpretty, unsightly, vileRelated Words abhorrent, abominable, appalling, awful, disgusting, distasteful, dreadful, gross, horrible, horrid, loathsome, nauseating, nauseous, noisome, repellent (also repellant), repugnant, repulsive, revolting, sickening; frumpish, frumpy, plain, unaesthetic, unbecoming, unshapelyNear Antonyms shapely; imposing, impressive, prepossessingAntonyms aesthetic (also esthetic or aesthetical or esthetical), attractive, beauteous, beautiful, bonny (also bonnie) [chiefly British], comely, cute, drop-dead, fair, fetching, good-looking, goodly, gorgeous, handsome, knockout, lovely, pretty, ravishing, seemly, sightly, stunning, taking, well-favored