Englishfor English speakers
obstacle
Noun
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An obstacle is something that blocks your way.
clearance
Noun
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Clearance is the process of getting official permission for something.
She needs to get top-secret security clearance before working on the secret program.
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Clearance is the permission for an aircraft to take off or land.
We'll have to circle for a few minutes while we wait for landing clearance.
You have clearance for take off.
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Clearance is a period when goods are sold cheaply to make space for new goods.
The shops here often hold clearance sales after Christmas.
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Clearance is the space between two objects so that one can move without touching the other.
The truck only had two inches of clearance going under the bridge.
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Clearance is the process of removing unwanted materials.
Cities in Canada have to pay a good deal for snow clearance.
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Clearance is the process that a cheque has to go through before the person who deposits it can use the money.
For cheques deposited on Friday, clearance is not until Monday.
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A clearance is the action of getting a ball away from your goal.
On each of the six attacks, a Fulham player made a headed clearance.