名詞 kick-off:

1. (football) a kick from the center of the field to start a football game or to resume it after a score
   同義詞：kickoff
2. the time at which something is supposed to begin
   同義詞：beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime, offset
3. a start given to contestants
   同義詞：kickoff, send-off, start-off

動詞 kick-off:

1. commence officially
   同義詞：inaugurate, kick off