[ad. L. crass-us solid, thick, dense, fat, etc. Cf. F. crasse fem. adj. (16th c. in Littré); OF. had cras, now gras.]

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  1.  Coarse, gross, dense, thick (in physical constitution or texture). Now somewhat rare.

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1545.  Raynold, Byrth Mankynde, 12. The bottome of the mother or wombe is more crasse, thycke, and flesshy.

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1646.  Sir T. Browne, Pseud. Ep., II. v. 91. A crasse and fumide exhalation.

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1695.  Woodward, Nat. Hist. Earth, VI. (1723), 295. Terrestrial Particles, which are more crass and ponderous.

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1715.  trans. Pancirollus’ Rerum Mem., I. I. ix. 23. Of all Unguents … the most crasse and thickest.

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1866.  Treas. Bot., s.v., The leaves of cotyledons, which are much more fleshy, have been called crass.

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1884.  J. Colborne, Hicks Pasha, 180. A crass, gluey substance.

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  † b.  Said of things material as opposed to immaterial or spiritual. Obs.

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1649.  Jer. Taylor, Gt. Exemp., II. Ad Sec. 12. 94. Dives had the inheritance of the earth, in the crasse materiall sense.

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1653.  H. More, Antid. Ath., III. vi. § 7. Whatsoever is crass and external leaves stronger Impress upon the Phansie. Ibid. (1664), Synops. Proph., 217. Bearing strongly upon the phancy by exhibiting crass and palpable objects.

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  2.  Of personal qualities, ideas, and other things immaterial: Gross; grossly dull or stupid, ‘dense.’

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1660.  R. Coke, Justice Vind., 20. Where it [the Phantasie] is crass and dull, and moves slowly.

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1664.  H. More, Myst. Iniq., 110. An undoubted and conspicuous piece of the crassest Anti-christianism.

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1859.  Times, 20 Aug., 8/3. A free Press must be allowed to go forth and dispel the crass ignorance which weighs over the land.

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1877.  E. R. Conder, Bas. Faith, iii. 108. The crass materialism which talks about the brain secreting thought, as the liver secretes bile.

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1881.  W. Robertson Smith, Old Test. in Jewish Ch., 291. The crasser forms of religion.

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  b.  Of persons: Grossly stupid, ‘dense’: grossly insensitive or unrefined (rare).

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1861.  Thackeray, Philip, viii. Your … undeserved good fortune … has rendered you hard, cold, crass, indifferent.

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1872.  Geo. Eliot, Middlem., xvi. Crass minds … whose reflective scales could only weigh things in the lump.

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1877.  Black, Green Past., xx. (1878), 161. This crass idiot.

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