plural of speedcuber

plural of speedbump

Alternative spelling of speed bump

A test characteristic, dictated by the test’s time limits, that results in a test taker’s score being dependent on the rate at which work is performed as well as the correctness of the responses. The term is not used to describe tests of speed. Speededness is often an undesirable characteristic.

An extreme sport which involves racing on a streamline skateboard down steep hills, often on public roads.

plural of speedboarder

A person who practices the extreme sport of speedboarding

(idiomatic) A fast person; someone who does something fast.

plural of speedballer

A drug addict who takes speedballs (cocaine and heroin). / (baseball) One who pitches speedballs.