adv. [f. prec. + -LY2.] In a sonorous manner.

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1653.  H. More, Antid. Ath., III. ix. (1712), 117. Smacking and grunting very sonorously.

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1670.  G. H., Hist. Cardinals, II. II. 173. That pure Evangelical River, that purles so sweetly and sonorously in the ears of the Faithful.

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1822–7.  Good, Study Med. (1829), II. 410. The patient … breathed sonorously, but without stertor.

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1865.  Mrs. Whitney, Gayworthys, ix. The voice rang out once again—startlingly—sonorously.

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