U
Ubiquitous, a. [omnipresent].
ubiquity, n. [omnipresence].
udder, n. mamma. Associated words: escutcheon, garget.
ugly, a. [repulsive], [unsightly], loathsome, [hideous], grewsome, [frightful]; (Colloq.) [crossgrained], ill-natured, [unamiable], inaffable, [surly], [refractory], [vicious], [indocile], [spiteful], [sullen], [morose]; uncomely, hard-visaged, [homely], ill-favored, hard-featured.
ulcer, n. [fester], [gathering], imposthume, pustule, ulceration. Associated words: sanies, sanious.
ulcerate, v. suppurate, [fester], [maturate].
ultimate, a. final, farthest, [extreme].
ultimately, adv. [finally].
ultra, a. [extreme].