coast

the coast is clear

if the coast is clear, you can do something or go somewhere because there is no one near who might see or hear you. You can come out now, the coast is clear. I waited outside the house until the coast was clear, then softly tapped on the window.

See also: clear

(from) coast to coast

from one side of a country to the other. We travelled across America coast to coast.

coast-to-coast

(from) coast to coast - from one side of a country to the other. It was the first fully paved coast-to-coast US highway, between New York and San Francisco.

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the coast is clear

1. there is no danger of being seen. We had to wait until the coast was clear to slip out of the building, which was being watched.

2. there is no danger of anything more happening, esp. trouble. Now that the killer has been arrested, the coast is clear and people can go out without fear.

See also: clear

from coast to coast

everywhere or all across a country. Winter storms are making life difficult from coast to coast.

Etymology: based on the literal meaning of coast to coast (= east to west or north to south, one border to another)

See also: from