Forms: 4 bestly, 6 -lie, (beasly), beastlie, -lye, 6 beastly. [f. BEAST sb. + -LY2.] After the manner or likeness of a beast.
† 1. In a beastly manner, like a beast. Obs.
c. 1400. Apol. Loll., 58. Onclen suyn, fyling oþer, lyfing bestly, are sett in þe kirk.
1513. More, Rich. III. (1641), 459. Hee would bite and chew beasly his nether lip.
1514. Barclay, Cyt. & Uplondyshm. (1847), Introd. 51. Some jangle when they be beastly fed.
1562. Bulleyn, Bk. Sicke Men, 77 b. Wastyng their wealthe foolishely, and moste beastly.
1596. Shaks., Tam. Shr., IV. ii. 35. Fie on her, see how beastly she doth court him.
1652. Gaule, Magastrom., 371. Bellantius was most beastly murdered.
2. As adjunct to an adj.: Brutishly, brutally, abominably, offensively. (In society slang, often merely = Exceedingly.)
1561. T. Norton, Calvins Inst., I. 25. So beastly folish are men. Ibid., 23 b. They are to much beastly witted.
1803. Bristed, Pedest. Tour, I. 298. He comes home every morning about two or three oclock quite beastly drunk.
1844. Dickens, Lett., I. 130. I was so beastly dirty when I got to this house.
[1865. Daily Tel., 23 Oct., 5/3. He was in good health, nay, hew was even ruddylooked almost beastly well, as I once heard it describedbut he staggered.]