Determinately \De*ter"mi*nate*ly\, adv. 1. In a determinate manner; definitely; ascertainably. [1913 Webster] The principles of religion are already either determinately true or false, before you think of them. --Tillotson. [1913 Webster] 2. Resolutely; unchangeably. [1913 Webster] Being determinately . . . bent to marry. --Sir P. Sidney. [1913 Webster]