characterization UK /ˌkæɹəktəɹaɪˈzeɪʃən/US /ˌkæɹəktəɹəˈzeɪʃən/ noun1 •The act or process of characterizing.It was while he was performing the duties of the store that he acquired the soubriquet "Honest Abe"--a characterization that he never dishonored, and an abbreviation that he never outgrew. — 1866 formscharacterizations