Definition of level
(Entry 1 of 3)
1
: a device for establishing a horizontal line or plane by means of a bubble in a liquid that shows adjustment to the horizontal by movement to the center of a slightly bowed glass tube
2
: a measurement of the difference of altitude of two points by means of a level
3
: horizontal condition
especially
: equilibrium of a fluid marked by a horizontal surface of even altitude
water seeks its own level
4a
: an approximately horizontal line or surface taken as an index of altitude
Charts were arranged at eye level.
b
: a practically horizontal surface or area (as of land)
the level of the plateau
5
: a position in a scale or rank (as of achievement, significance, or value)
funded at the national level the job appeals to me on many levels
6a
: a line or surface that cuts perpendicularly all plumb lines that it meets and hence would everywhere coincide with a surface of still water
b
: the plane of the horizon or a line in it
7
: a horizontal passage in a mine intended for regular working and transportation
8
: a concentration of a constituent especially of a body fluid (such as blood)
a normal blood-sugar level
level
verbDefinition of level (Entry 2 of 3)
1
: to make (a line or surface) horizontal : make flat or level
level a field level off a house lot
3
: to bring to a common level or plane : equalize
love levels all ranks— W. S. Gilbert
4a
: to lay level with or as if with the ground : raze
b
: to knock down
leveled him with one punch
5
: to make (something, such as color) even or uniform
6
: to find the heights of different points in (a piece of land) especially with a surveyor's level
1
: to attain or come to a level
the plane leveled off at 10,000 feet
2
: to aim a gun or other weapon horizontally
3
: to bring persons or things to a level
4
: to deal frankly and openly
level
adjectiveDefinition of level (Entry 3 of 3)
1a
: having no part higher than another : conforming to the curvature of the liquid parts of the earth's surface
b
: parallel with the plane of the horizon : horizontal
2a
: even or unvarying in height
b
: equal in advantage, progression, or standing
c
: proceeding monotonously or uneventfully
d(1)
: steady, unwavering
gave him a level look
3
: reasonable, balanced
arrive at a justly proportional and level judgment on this affair— Sir Winston Churchill
4
: distributed evenly
level stress
5
: being a surface perpendicular to all lines of force in a field of force : equipotential
6
: suited to a particular rank or plane of ability or achievement
top-level thinking
7
: of or relating to the spreading out of a cost or charge in even payments over a period of time
level best
: very best
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Merriam-Webster unabridged
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Time Traveler for level
The first known use of level was in the 14th century
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