speed

[1]	speed up , accelerate , move , expedite , forward , advance , facilitate , boost , further , promote , help , assist , aid , (Colloq) give a leg up
[2]	hasten , make haste , hurry , rush , charge , dart , bolt , shoot , run , race , sprint , fly , streak , scurry , tear , hustle , scramble , scamper , career , bowl along , go/fly like the wind , (Colloq) go hell for leather , go like a bat out of hell , belt along , step on it , put one's foot down , zip , zoom , skedaddle , go like a shot , (US) hightail it , step on the gas , go like greased lightning , make tracks , (Slang) (US) burn rubber
[3]	rush , hotfoot , hasten , hie , race , pelt along , rush along , cannonball along , bucket along , belt along , step on it
[4]	accelerate , speed up , quicken
[5]	travel rapidly , hurry , zip
[6]	accelerate , speed up

[1]	velocity , rapidity , fleetness , quickness , speediness , swiftness , velocity , dispatch/despatch , hurry , hurriedness , haste , hastiness , celerity , alacrity , expeditiousness , expedition , briskness , promptness , timeliness , suddenness , precipitateness , precipitousness , abruptness
[2]	swiftness , fastness
[3]	speeding , hurrying
[4]	focal ratio , f number , stop number
[5]	amphetamine , pep pill , upper