clearance
noun
clear·ance
ˈklir-ən(t)s 
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
Recent Examples on the Web
Prediction market exchanges and brokers with CFTC clearance—such as the one Fanatics is launching—work even in states that ban sportsbooks, such as California and Texas, though this is being challenged in court.
—
Dan Bernstein, Sportico.com, 3 Dec. 2025
This may also lead to a streamlining of the clearance process, AHA said.
—Lauren Giella, MSNBC Newsweek, 2 Dec. 2025
The robust clearance section is also an extra 20 percent off.
—Izzy Baskette, PEOPLE, 1 Dec. 2025
Sure, most take advantage of end-of-season clearance and Labor Day sales to scoop up discounts of outdoor furnishings, but right now, Amazon’s Cyber Monday sale includes slashed prices on patio furniture like conversation sets, rocking chairs, umbrellas, and much more starting as low as $33.
—Alicia Geigel, Southern Living, 1 Dec. 2025
See All Example Sentences for clearance
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Dan Bernstein, Sportico.com, 3 Dec. 2025
This may also lead to a streamlining of the clearance process, AHA said.
—Lauren Giella, MSNBC Newsweek, 2 Dec. 2025
The robust clearance section is also an extra 20 percent off.
—Izzy Baskette, PEOPLE, 1 Dec. 2025
Sure, most take advantage of end-of-season clearance and Labor Day sales to scoop up discounts of outdoor furnishings, but right now, Amazon’s Cyber Monday sale includes slashed prices on patio furniture like conversation sets, rocking chairs, umbrellas, and much more starting as low as $33.
—Alicia Geigel, Southern Living, 1 Dec. 2025
See All Example Sentences for clearance
Cite this Entry
“Clearance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clearance. Accessed 5 Dec. 2025.
Copy CitationKids Definition
clearance
noun
clear·ance
ˈklir-ən(t)s
1
a
: an act or process of clearing
b
: the act of clearing a ship at the customhouse
c
: the papers showing that a ship has cleared
d
: authorization for an airplane to proceed
2
: a sale to clear out stock
3
: the distance by which one object keeps from hitting or touching another or the clear space between them
Medical Definition
clearance
noun
clear·ance
ˈklir-ən(t)s
: 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
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