easinesseas‧i‧ness /ˈiːzinəs, ˈiːzinɪs/ noun [uncountable] Word Family: noun: ease, unease, easiness, uneasiness; adverb: easily, uneasily, easy; adjective: easy, uneasy; verb: ease1. a feeling of being relaxed and comfortable with someone2. when something is not difficult