"full of pride, arrogant, insolent, scornful," c. 1500, from pride (n.) + -ful. Related: Pridefully; pridefulness. Old English had prutswongor "overburdened with pride." Middle English had prideless "without pride" in a good or bad sense (late 14c.), also proudful "ostentatious, indicative of pride" (mid-14c.).