v. [UN-2 4 b.] trans. To free from a leash; to set free in order to pursue or attack. Chiefly fig.

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1671.  Phillips (ed. 3), To unleash,… to let go the dogs after the Game.

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1821.  Shelley, Hellas, 357. Like beasts When earthquake is unleashed.

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1854.  J. S. C. Abbott, Napoleon (1855), I. xxvi. 418. The bloodhounds of war were unleashed and England had unleashed them.

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1868.  Geo. Eliot, Sp. Gipsy, 48. With power to check all rage until it turned to ordered force, unleashed on chosen prey.

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