Repulse (verb)

1. To drive back or away by force.
2. To reject or rebuff (someone) in a cold and unfriendly manner.
3. To resist or fend off (an attack or attacker).

Origin:

From the latin word "repulsus" meaning "a pushing back".

Examples:

1. The army was able to repulse the enemy's attack.
2. The woman repulsed his advances, making it clear she was not interested.
3. The company repulsed the hostile takeover attempt.
4. The city was repulsed the virus outbreak with a strict quarantine.
5. The new system was designed to repulse cyber attacks.