To end the employment or service of; discharge. To direct or allow to leave: dismissed troops after the inspection; dismissed the student after reprimanding him. To stop considering; rid one's mind of; dispel: dismissed all thoughts of running for office. To refuse to accept or recognize; reject: dismissed the claim as highly improbable. Law To put (a claim or action) out of court without further hearing. Sports To eject (a player or coach) for the remainder of a game. Sports To put out (a batter) in cricket.