unwavering

adj

Etymology: From un- (prefix meaning ‘not’) + wavering (“being in doubt, indecisive”).

1. Not wavering.

   “And on this occasion she [Lady Mary, later Mary I of England] wrote the king a letter (which these noblemen seem to be the carriers of) chiefly to shew how unwavering she continued in her formerly declared purpose about religion; […]”

   “[B]y that winding passage, to that bower / I now will go—all objects there will teach me / Unwavering love, and singleness of heart.”

2. Not wavering.

   “For, foraſmuch as Faith properly ſo called is nothing but an unvvavering Aſſent to ſome Doctrine propoſed upon the ground of infallible Teſtimony, there muſt be ſome Reaſon to perſuade us that that Teſtimony is infallible; […]”