† inˈsinew,v.Obs. Also en-. [f. in-2 + sinew.] trans. To furnish with sinews; to innerve; to inspire with vigour or strength. 1597Shakes.2 Hen. IV, iv. i. 172 All members of our Cause..That are insinewed [1st Qo. ensinewed] to this Action.1611Florio, Inneruare, to ensinnew.