1.bar from attention or consideration;
She dismissed his advances
2.cease to consider; put out of judicial consideration;
This case is dismissed!
3.stop associating with;
They dropped her after she had a child out of wedlock
4.terminate the employment of;
The boss fired his secretary today
5.end one's encounter with somebody by causing or permitting the person to leave;
I was dismissed after I gave my report
6.declare void;
The President dissolved the parliament and called for new elections