Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Grammaraccusativeac‧cu‧sa‧tive /əˈkjuːzətɪv/ noun [countable] technicalSLG a form of a noun in languages such as Latin or German, which shows that the noun is the direct object of a verb or a preposition —accusative adjective ldoceonline.com