v. [ME. brightn-en, corresp. in form to OE. *beorhtnian, in Northumbrian berhtnia, ʓeberhtnia to make bright, f. beorht bright. It is possible that the mod.Eng. word is a new formation on bright: cf. BRIGHT v.]

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  1.  trans. To make bright.

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[c. 950.  Lindisf. Gosp., John xiii. 32. God ʓeberhtnade hine on hine scolfne.]

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1583.  Stanyhurst, Æneis, II. (Arb.), 53. Thee strand flames fyrye doe brighten.

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1685.  Dryden, Sylvæ, 103 (J.).

                    As her Celestial eyes
Adorn the World, and brighten all the Skies.

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1805.  Scott, Last Minstrel, II. xxiv. When the dawn of day Began to brighten Cheviot gray.

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1831.  Carlyle, Sart. Res., III. vi. Brightening London smoke itself into gold vapour.

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  b.  fig.

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1597.  Shaks., 2 Hen. IV., II. iii. 17. There were two Honors lost … For Yours, may heauenly glory brighten it.

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1667.  Milton, P. L., IX. 634. Hope elevates, and joy Bright’ns his crest.

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1872.  Black, Adv. Phaeton, xxvi. 354. This sort of talk brightened up the spirits of our party.

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  2.  intr. To become bright; to be bright, shine. Often with up.

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a. 1300.  Cursor M., 9933. Þat castel brightnes … Ouer al þat curt on lenght and brede.

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1704.  Pope, Past., Spring, 72. The flowers begin to spring, the skies to brighten.

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1768.  Beattie, Minstr., I. xxx. The rainbow brightens to the setting sun!

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1819.  Byron, Juan, II. lxxxix. The boy’s eyes … Brighten’d.

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18[?].  Southey, Lodore, 58. And whitening and brightening.

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  b.  In various fig. senses (see BRIGHT a.).

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1709.  Pope, Ess. Crit., 421. How the style brightens, how the sense refines.

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1732.  Berkeley, Alciphr., I. 183. The Man of Raillery … shall instantly brighten up, and assume a familiar Air.

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1875.  Jowett, Plato (ed. 2), I. 239. He brightens up and is wide awake when Homer is … recited.

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