adv. (UN-1 11, 5 b.)
c. 1425. in Anglia, VIII. 153. Wheþere for-þee, þat as vnseuerably was ioyned to god [etc.].
1548. Geste, Pr. Masse, C iij b. Only soch a presence of christes body in the bread wherwyth they both shuld be vnseuerably personed.
1561. T. Norton, Calvins Inst., II. 81. By whose knittyng together they might perfectly and vnseuerably cleaue vnto God.