divided into two parts nounone of two equal parts into which something is divided ExampleThe first half of the agreement is acceptable.Usagewe share the profits half and halfwe share the profits equallyadjectivedivided into two partsUsagehalf a percentage point0.5 per centUsagehis commission on the deal is twelve and a half per centhis commission on the deal is 12.5 per centUsageto sell goods off at half priceat 50 per cent of the price for which they were sold before"...economists believe the economy is picking up this quarter and will do better in the second half of the year" [Sunday Times] one of two equal parts into which something is divided