beastly (adj.)youdaoicibaDictYouDict[beastly 词源字典]
c. 1200, "brutish, sensual, debased;" late 14c., "in the manner of a beast," from beast + -ly (1). Weakened in British upper crust use to "awfully, exceedingly" by mid-19c. Beastly drunk is from 1803.[beastly etymology, beastly origin, 英语词源]