To amplify; to signal boost.
To lift or push from behind (one who is endeavoring to climb); to push up.
To steal.
To give a booster shot to.
To help or encourage (something) to increase or improve; to assist in overcoming obstacles.
To jump-start a vehicle by using cables to connect the battery in a running vehicle to the battery in a vehicle that won't start.
A positive intake manifold pressure in cars with turbochargers or superchargers.
A coordinate transformation that changes velocity.
A push from behind, as to one who is endeavoring to climb.
Something that helps, or adds power or effectiveness; assistance.
To lower in character, quality, or value; to degrade.
To lower the value of (a currency) by reducing the amount of valuable metal in the coins.