a kick that begins each period of play or restarts the game after a goal or touchdown in soccer, rugby, or American football.
The kickoff soared high into the air.
She watched the kickoff with great anticipation.
✦ From the early 19th century verb phrase 'kick off', referring to starting play by kicking the ball in football games.
the start or launch of something, such as a project, campaign, event, or meeting.
The project kickoff meeting was productive.
Their wedding kickoff was magical.
✦ Figurative extension from the sports sense, starting in the mid-20th century in business and event contexts.
