adv. [f. prec. + -LY2.] In a causeless way; without cause or reason.
1561. T. Norton, Calvins Inst., I. xviii. § 1. Who dare say that men are caried causelessely with blinde motion while God sitteth stil? Ibid., IV. vi. § 16. Our aduersaries doe no lesse causelesly & falsly boast of the consent.
1622. Malynes, Anc. Law-Merch., 433. If an honest man become insoluent casually and causelesly in himselfe.
1875. Whitney, Life Lang., v. 97. Words which as causelessly come to be looked askance at and avoided.
1880. Muirhead, Gaius, I. § 53. Any one causelessly killing his slave.