›if rates, values, or amounts diverge, the difference between them increases: Tracking errors can cause funds to diverge slightly from the indices they follow.diverge sharply/widely/significantly
›to be very different, or to develop in different or unexpected ways: diverge on/about sthOpinions diverge on whether the new CEO will be able to restore the company's reputation and profitability.Firms should be allowed to diverge from their sector's pay deal if two-thirds of employees are in favour.