(informal) To make a start on; to begin to tackle. / (informal) To attack verbally or physically.

A metal bar on a motorcycle used to start its engine. / An act of starting a motorcycle by quickly depressing the kick start with one's foot.

(transitive) To start a motorcycle. / (transitive, figuratively) To start or begin strongly or quickly.

The codon at which translation of mRNA into protein starts, encoding the first amino acid.

(idiomatic) An advantage consisting in starting a competition or task earlier than might be expected; given (or taken), for example, prior to the beginning of a race.

(idiomatic, transitive, intransitive, US) to begin again; to return to the beginning

(sports) The act of an athlete starting a race before being signaled to do so. / (American football) The act of an offensive player moving across the line of scrimmage prior to the snap.

In the United States, a government-funded preschool program for impoverished children.

Alternative spelling of kick start

Alternative spelling of kick start