dismiss

When you dismiss someone from a company, you fire and end the employment of the person, causing the person to become unemployed.

Example: He was found to be giving the secrets of the company to other companies and was immediately dismissed.

When you dismiss someone, you order the person to leave.

Example: The parade commander stepped forward to ask the President for permission to dismiss the parade.

To dismiss something is to refuse or reject it.

Example: The court dismissed his appeal for a second trial.

When someone is dismissed, that person is given a red card and is sent off the pitch.

Example: He punched a player from the opponent team, and was immediately dismissed by the referee.