adv. [f. SPARKLING ppl. a.1] In a sparkling or vivacious manner; with sparkling brightness or brilliancy; brilliantly.

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1669.  Boyle, Cert. Physiol. Ess., etc. (ed. 2), Absol. Rest Bodies, 18. Some Diamonds of hers, which sometimes would look more sparklingly than they were wont, and sometimes far more dull than ordinary.

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1820.  Wiffen, Aonian Hours (ed. 2), 13. In whose glass All things look sparklingly.

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1854.  Tait’s Mag., XXI. 269/2.

        Spurted the splinters sparklingly, saw scraped, and hammer rung,
While keeping time his quaint old song the gray old master sung.

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1879.  G. Meredith, Egoist, vii. She assured him sparklingly that she was well.

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  So Sparklingness. rare.

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a. 1691.  Boyle, Ess. Intestine Motions Quiescent Solids, Wks. 1744, I. 286/2. I have … seemed to my self to observe a manifestly greater clearness and sparklingness at some times than at others.

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a. 1697.  Aubrey, Lives (1898), II. 245. He threw his reparties about the table with so much sparklingness [ed. 1813 sparkliness] and gentileness of witt.

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