Overseas & Oversees Overseas means beyond or across the ocean or sea: “My dad has gone overseas for business purposes.” Oversees , on the other hand, means to supervise or to inspect: “The police oversees all the public places in the city in order to prevent crimes.” Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Please enter an answer in digits:seventeen − fourteen =