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ebb and flow

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ebb and flow

to decrease and then increase, as with tides; a decrease followed by an increase, as with tides. The fortunes of the major political parties tend to ebb and flow over time. The ebb and flow of democracy through history is a fascinating subject.

See also: and, ebb, flow

ebb and flow

A decline and increase, constant fluctuations. For example, He was fascinated by the ebb and flow of the Church's influence over the centuries. This expression alludes to the inward and outward movement of ocean tides. [Late 1500s]

See also: and, ebb, flow