hex /ˈhɛks/noun 8verb 2forms 3 noun8 •An evil spell or curse. •A spell (now rare but still found in compounds such as hex sign and hexcraft). •(informal) Clipping of hexadecimal. •A hexagonal space on a game board. •A witch. •A modified game file.I don't even know how to put a hex in my game if a friend makes me something. — 2013 •a hexagon-shaped item of rock climbing equipment intended to be wedged into a crack or other opening in the rock. •Clipping of uranium hexafluoride. verb2 •To cast a spell on (specifically an evil spell), to bewitch. •To modify a game file using a hex editor. formshexed · hexing · hexes