overfull I. \| ̷ ̷ ̷ ̷| ̷ ̷\adjective Etymology: Middle English, from Old English oferfull, from ofer, adverb, over + full : too full < seems overfull of phrases — Clyde Eagleton > • overfullnessnoun-es II. adverb : to excess < having drunk overfull of the human race — Time >