Define Sea Change Meaning

Sea Change
A metaphor for a dramatic life or lifestyle change, as in sailing to a completely different sea.

I moved to the west coast and got a new job because I was in need of a sea change.
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Sea Change
sea change noun C LITERARY
a complete change:

There will have to be a sea change in people's attitudes if public transport is ever to replace the private car.

(from Cambridge Advanced L
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