Synonymer till throttlesubstantiv(a valve that regulates the supply of fuel to the engine) accelerator; throttle valve; throttle(a pedal that controls the throttle valve) accelerator; accelerator pedal; gas pedal; gas; gun; throttleverb(place limits on (extent or amount or access)) restrict; trammel; limit; bound; confine; throttle(kill by squeezing the throat of so as to cut off the air) strangle; strangulate; throttle(reduce the air supply) choke; throttle