Longman Dictionary of Contemporary English - dismiss

~ v 1 »IDEA« to refuse to consider someone's idea, opinion etc, without thinking carefully about it  (dismiss sth as)  (He just laughed and dismissed my suggestion as unrealistic. | dismiss sth out of hand (=dismiss something completely)) 2 »JOB« to remove someone from their job  (dismiss sb for)  (Will they dismiss Woods for stealing the money? | dismiss sb from)  (Bryant was dismissed from his post.) 3 »SEND AWAY« to send someone away or allow them to go  (The teacher might dismiss the class early today because of the snow.) 4 »IN A COURT« if a judge dismisses a court case1 (9a), they stop it before a result is reached  (The case was dismissed owing to lack of evidence.) 5 »SPORT« to end the innings of a player or a team in the game of cricket (2)