›to have more influence or importance than something else: Annual weather variations still seem to be outweighing any global warming trends.be outweighed by sthSmall changes in the tax burden are likely to be outweighed by other factors.outweigh the risks/benefits/considerationsMedical experts maintain that the benefits of the new drug outweigh any risks.
›to be larger in number or amount than something else: Public finances showed a record cash surplus last month as surging income tax receipts outweighed a fall in corporation tax revenues.