American Dictionary

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Definition clearance in American English

clearance noun

noun
/ˈklɪrəns/
1

official permission that allows someone to do something, to go to a particular country, or to be told particular information

Example

Aid workers had to get clearance to enter the country.

Example

Security clearance for overseas students will now be valid for four years.

Synonyms and related words
1.1

official permission that allows the pilot of a plane to take off or land

Example

The pilot requested immediate clearance for landing.

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2

an amount of space between two things that keeps them from touching each other

Example

Adjust the door to ensure equal clearance between door and frame.

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3

a clearance sale

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4

the process by which a bank accepts a check that you have written and pays the money to the person, store, etc. that you gave the check to

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5

the process of removing things that are not wanted or used

Example

a policy of encouraging slum clearance

Synonyms and related words
Definition clearance in American English