rare. [f. as prec. + -NESS.] Voluntary action; spontaneity.

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1623.  W. Sclater, Tythes, f 2 b. Law is not here opposed to no Law, or iniunction to vltroneousnesse of Tything.

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1858–61.  J. Brown, Horae Subs. (1863), 222. The law of personality, of ultroneousness, or free will, that which in a great measure makes us what we are.

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