phrasal verbto give a discount for something, or to add an extra sum to cover something Examplesto allow for money paid in advance • Add on an extra 10 per cent to allow for postage and packing.Usagedelivery is not allowed fordelivery charges are not includedto include something in your calculationsUsageallow 28 days for deliverycalculate that delivery will take up to 28 days to give a discount for something, or to add an extra sum to cover something to include something in your calculations