- overtime - work done in addition to regular working hours
--1 is a kind of work time
- overtime, extra time - playing time beyond regulation, to break a tie
--2 is a kind of time period, period of time, period
--2 is a part of athletic game
Antonyms: regulation time
--2 has particulars: extra innings; overtime period; tiebreaker; sudden death - overtime, extra time - playing time beyond regulation, to break a tie