clear·​ance | \ ˈklir-ən(t)s How to pronounce clearance (audio) \

Definition of clearance

1 : an act or process of clearing: such as
a : the removal of buildings from an area (such as a city slum)
b : the act of clearing a ship at the customhouse also : the papers showing that a ship has cleared
c : the offsetting of checks and other claims among banks through a clearinghouse
d : certification as clear of objection : authorization security clearance
e : a sale to clear out stock
f : authorization for an aircraft to proceed especially with a specified action clearance to land
2 : the distance by which one object clears another or the clear space between them
3 : the volume of blood or plasma that can be freed of a specified constituent in a specified time by its excretion into the urine through the kidneys a creatine clearance of 25 milliliters per minute

called also renal clearance

Examples of clearance in a Sentence

She has a security clearance that allows her to see the classified information. The pilot got clearance to land. That flight has not received clearance for landing. There was only 10 inches of clearance between the car and the side of the tunnel. a bridge with a 100-foot clearance above the water the clearance of forests for farming slum clearance to make room for new housing See More
Recent Examples on the Web Every model of the new Canyon is lifted 1 inch from the previous model, and the new AT4X off-road model gets an extra 1.1 inch, to 10.7 inches of ground clearance. Mark Phelan, Detroit Free Press, 11 Aug. 2022 The Colorado ZR2 comes fully loaded with 10.7 inches of ground clearance, the biggest tires, and the most LED lighting. Austin Irwin, Car and Driver, 28 July 2022 It can be rolled under 5.25 inches of ground clearance, and extend a full foot up in the air. Talon Homer, Popular Mechanics, 14 July 2022 As for off-road chops, the Mantis Overland has 14 inches of ground clearance and Timbren’s Axle-Less Suspension underneath, which gives you four inches of lift over the standard Mantis and helps soak up the bumps when the pavement ends. Bryan Rogala, Outside Online, 27 May 2022 Two feet of clearance will allow air to circulate freely, giving the unit room to breathe. Carolyn Forté, Good Housekeeping, 18 May 2022 With an impressive 20 inches of ground clearance, the Crawler should able to navigate all manner of obstacles. Rachel Cormack, Robb Report, 5 May 2022 Dental artificial intelligence startup Overjet received its second FDA clearance for detecting and outlining cavities in patients’ X-rays. Katie Jennings, Forbes, 18 May 2022 This raises its ground clearance and approach angle to 11.4 inches and 25.9 degrees, respectively, so lawbreakers will have a harder time using treacherous terrain to hide. Eric Stafford, Car and Driver, 2 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'clearance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of clearance

1540, in the meaning defined at sense 1

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Time Traveler for clearance

Time Traveler

The first known use of clearance was in 1540

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Dictionary Entries Near clearance

clear-air turbulence


clearance fit

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Statistics for clearance

Last Updated

16 Aug 2022

Cite this Entry

“Clearance.” Dictionary, Merriam-Webster, Accessed 18 Aug. 2022.

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More Definitions for clearance


clear·​ance | \ ˈklir-əns How to pronounce clearance (audio) \

Kids Definition of clearance

1 : the act or process of removing something
2 : the distance by which one object avoids hitting or touching another
3 : official permission The plane has clearance to land.


clear·​ance | \ ˈklir-ən(t)s How to pronounce clearance (audio) \

Medical Definition of clearance

: the volume of blood or plasma that could be freed of a specified constituent in a specified time (usually one minute) by excretion of the constituent into the urine through the kidneys

called also renal clearance

More from Merriam-Webster on clearance

Nglish: Translation of clearance for Spanish Speakers

Britannica English: Translation of clearance for Arabic Speakers Encyclopedia article about clearance


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