(informal) Highly efficiently or competently.

(astronomy) Synonym of my very educated mother just served us nine pumpkins

plural of speedster

One who is noted for being very fast. / A person who speeds (drives fast). / A vehicle or other device used for racing. / (cricket) A fast bowler.

Alternative form of speed skating

plural of speedskater

An athlete who specializes in speedskating

(sports, speedskating) A type of ice skate used in speedskating, with a long blade attached to the sole of the boot via two pillars, at the heel and ball of the foot.

To skate on speedskates.

simple past tense and past participle of speedskate