ugliest

a.最丑的，最丑恶的

tyre (US tire), tyro, tzar, U, U, u, U-boat, U-turn, UAE, UAR, ubiquitous, ubiquity, UCCA, UDA, udder, UDI, UDR, UEFA, UFO (also ufo), ugh, ugli, ugliness, ugly, ugly-looking, UHF, UHT, UK, ukulele, ulcer, ulcerate, ulceration, ulcerous, ulna, ulterior, ultimate, ultimately, ultimatum, ultimo, ultra violet, ultra-, ultramarine,