Entry 2 senses · 2 variants Webster, 1913 Monarchize · Mon·arch·ize · IPA v. i. v. t. 01 v. i. To play the sovereign; to act the monarch. imp. & p. p. Monarchized; p. pr. & vb. n. Monarchizing 1. To play the sovereign; to act the monarch.[R.] 02 v. t. To rule; to govern. 1. To rule; to govern.[R.]