Synonym: headroom, headway. Similar words: clearance sale, forbearance, appearance, disappearance, clear away, near and dear, wear and tear, clear. Meaning: ['klɪərəns] 
n. 1. the distance by which one thing clears another; the space between them 2. vertical space available to allow easy passage under something 3. permission to proceed.
n. 1. the distance by which one thing clears another; the space between them 2. vertical space available to allow easy passage under something 3. permission to proceed. 
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1. His talk was red-penciled before it got clearance.
2. You'll need to get security clearance for this job.
3. Clearance of the site required the removal of a number of trees.
4. The UN pledged to help supervise the clearance of mines.
5. Landscape gardeners have begun a clearance of the overgrown ground to make way for a new park.
6. They have to wait for clearance from air traffic control.
7. The clearance between the two cars was only ten centimeters.
8. She'll race if she gets medical clearance from her doctor.
9. Make sure you allow enough clearance on each side.
10. The pilot was granted clearance to land.
11. All employees at the submarine base require security clearance.
12. To visit the prison, you'll need security clearance.
13. Clearance can take up to a week.
14. The pilot requested clearance for an emergency landing.
15. I'm waiting for clearance from headquarters.
16. We bought our new carpet at a clearance sale.
17. The ship sailed as soon as it got clearance.
18. How long will customs clearance take?
19. The lowest fixed bridge has 12.8m clearance.
20. The pilot was waiting for clearance for take-off.
21. We need to increase the vehicle's ground clearance.
22. Morris did not have a security clearance .
23. Clearance of this cheque could take a week.
24. Always give cyclists plenty of clearance.
25. Clearance will take seven days.
26. He has a security clearance that allows him access to classified information.
27. There was a clearance of only ten centimetres between the two walls.Sentence dictionary
28. Thai Airways said the plane had been given clearance to land.
29. There wasn't enough clearance between the bus and the top of the bridge.
30. We were waiting for the goods to receive customs clearance.
More similar words: clearance sale, forbearance, appearance, disappearance, clear away, near and dear, wear and tear, clear, clear off, clear up, nuclear, unclear, clear out, clearly, clearing, thermonuclear, keep clear of, far and near, nuclear energy, steer clear of, nuclear weapon, nuclear family, nuclear fusion, nuclear meltdown, nuclear fission, preponderance of evidence, trance, france, durance, entrance.