a. [ad. late L. ūsurpātīv-us, f. L. ūsurpāre: see USURP v.] Of the nature of, marked or characterized by, usurpation; arbitrary.
1797. J. Pinkerton, Hist. Scot., I. 10. Pretensions, which now strike as vague or usurpative.
1811. Monthly Rev., LXVI. 470. Laurence was of a less usurpative and more tolerant disposition.
1827. G. S. Faber, Sacr. Calend. Prophecy (1844), II. 64. A clear usurpative invasion of the coequal independence of all the other Patriarchs.
1879. Tourgee, Fools Err., xx. 115. The foolish usurpative acts of the President.
1908. Amer. Naturalist, XLII. 16. The usurpative control of their nutrition by the fungus suggests [etc.].
Hence Usurpatively adv. rare1.
1838. G. S. Faber, Inquiry, 334. Let him not dare usurpatively to administer any divine sacrament, until [etc.].