Pronunciation: (kar'ik-tu-rīz"),[key] —v.t.,-ized, -iz•ing. 1. to mark or distinguish as a characteristic; be a characteristic of: Rich metaphors characterize his poetry. 2. to describe the character or individual quality of: He characterized her in a few well-chosen words. 3. to attribute character to: to characterize him as a coward.Also,esp. Brit.,char'ac•ter•ise".