adv. [f. prec. + -LY2.] Of one’s own accord; spontaneously, voluntarily.

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1627.  W. Sclater, Exp. 2 Thess. (1629), 75. Is it warrantable vltroneously to offer our selues to Martyrdome?

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1657.  Reeve, God’s Plea, 28. He [God] doth love himselfe necessarily, but all other things ultroneously.

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1847.  Sir W. Hamilton, Lett. to De Morgan, 30. In the second, (what you omit to mention) copies were through your friend Dr. — ultroneously proffered.

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1883.  Saturday Review, 21 July, 65. Mr. Gladstone and his colleagues wantonly, ultroneously,… have themselves interpreted and settled a … complicated point.

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