tickticktickstickedticking1verb (ticks, ticking, ticked)1(used about a clock) to make short repeated sounds: I could hear a clock ticking.2(British) (Americancheck)to make a mark like this ✓ by something: Tick the right answer.tickticktickstickedticking2noun1(British) (Americancheck mark, check)a small mark like this ✓: Put a tick by the correct answer.2one of the short repeated sounds that a clock makes