tip the scales

tip the scales

1. to make something more or less likely to happen, or to make someone more or less likely to succeed. Recent environmental disasters have tipped the scales against oil producers. (often + against) The sudden economic growth in the area should tip the scales in favour of new investment.

2. to weigh a certain amount. He tips the scales at just over 250 pounds. (usually + at)

See also: Scales, tip

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tip the scales

to cause a change, esp. in making something more likely to happen. She says the city's reputation helped tip the balance when the company was deciding whether to move the factory.

See also: Scales, tip