[ad. L. constāntia: see prec. and -ANCY.] The quality of being constant.

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  1.  The state or quality of being unmoved in mind; steadfastness, firmness, endurance, fortitude.

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1526.  Pilgr. Perf. (W. de W., 1531), 136. Constancy is ye vertue wherby man or woman holdeth hole, and is not broken by impacyency.

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1553.  Eden, Treat. Newe Ind., Ep. to Rdr. (Arb.), 9. I woulde wishe all men to be of such corage and constancie in these affayres.

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1623.  Mede, in Ellis, Orig. Lett., I. 291. III. 153. Thank God for the Princes constancie in Religion.

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1709.  Pope, Lett., 17 July. I stood resign’d with a stoical constancy to endure the worst of evils.

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1856.  Emerson, Eng. Traits, Race, Wks. II. 20. They have maintained constancy and self-equality for many ages.

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  † b.  Determination, resolution (to do a thing).

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1603.  Knolles, Hist. Turks (1621), 986. Encreased his constancie to avoid a most certaine death.

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1643.  R. Baillie, Lett. & Jrnls. (1841), II. 80. The constancie of most of them to doe the Queen better service at London.

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  2.  Steadfastness of attachment to a person or cause; faithfulness, fidelity.

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1548.  Hall, Chron., 193 b. What for the confidence that he had in her perfyte constancy … he determined … to marye with her.

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1599.  Shaks., Hen. V., V. ii. 161. While thou liu’st, deare Kate, take a fellow of plaine and vncoyned Constancie.

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1754.  Sherlock, Disc. (1759), I. i. 2. The Ground of their Constancy and Adherence to Christ.

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a. 1839.  Praed, Poems (1864), II. 438. And talks right well of constancy and truth.

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1874.  Green, Short Hist., vi. § 6. 335. A constancy of friendship which won him a host of devoted adherents.

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  3.  The quality of being invariable (see CONSTANT a. 4–6); uniformity, unchangingness, regularity.

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1604.  Hooker, Eccl. Pol., I. 88. The lawes of God himselfe which are of this nature, no man indued with common sense will euer denie to bee of a different constitution from the former, in respect of the ones constancie, and the mutabilitie of the other.

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a. 1619.  Fotherby, Atheom., II. xi. § 2 (1622), 313. The admirable order and incredible constancie of the Heauens.

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1794.  Sullivan, View Nat., I. 206. The polar wind blows with equal constancy in both the frigid zones.

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1830.  Herschel, Stud. Nat. Phil., 239. The important fact of the constancy of the angles at which their faces meet.

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1855.  Brewster, Newton, II. xxv. 365. The constancy of temperature in the phenomena of fusion and ebullition.

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  † b.  Persistence, perseverance. Obs.

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1613.  Shaks., Hen. VIII., III. ii. 2. If you will now vnite in your Complaints, And force them with a Constancy.

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  4.  (with a) Something permanent, a permanency. For a constancy: as a permanent arrangement.

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1710.  Steele, Tatler, No. 208, ¶ 2. The Person most agreeable to a Man for a Constancy.

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1749.  Chesterf., Lett., 26 Dec. Six, or at most seven hours sleep is, for a constancy, as much as you or anybody can want.

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c. 1750.  W. Stroud, Mem., 52. A Chariot, which I hired for a Constancy, or at least for the chiefest Part of … seven weeks.

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1888.  Scotsman, 8 Feb., 10/6, Advt. A constancy and liberal wages for a good work man.

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  † 5.  Certainty. Obs.

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1563.  Wills & Inv. N. C. (1835), 213. I … knowing the constantie of Death and ye vnconstantie of the houre and time.

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1590.  Shaks., Mids. N., V. i. 26. More witnesseth than fancies images, And growes to something of great constancie [But Schmidt understands it as = ‘consistency’: see next].

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  † 6.  Physical firmness, solidity; = CONSISTENCE.

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1794.  Sullivan, View Nat., II. 212. In passing from its liquid state to its concretion, to its constancy and firmness.

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