Letters that make speed up
s, d, e, p, u are letters that make 'speed up'
2 possible definitions for 'speed up'
Under this definition, speed up is a verb and has the following properties:
accelerate, speed have the same meaning as 'speed up'
slow down, decelerate have the opposite meaning of 'speed up'
accelerator, throttle, throttle valve, accelerator pedal, gas pedal, gas, gun, swiftness, acceleration, velocity, speed, fastness, accelerative, acceleratory, speeding, hurrying, quickening, speedup are derivatives of 'speed up'.
Under this definition, speed up is a verb and has the following properties:
accelerate, quicken, speed have the same meaning as 'speed up'
retard, decelerate, slow down, slow up, slow have the opposite meaning of 'speed up'
swiftness, velocity, speed, acceleration, fastness, accelerative, acceleratory, speeding, hurrying, quickening, speedup are derivatives of 'speed up'.