(countable, uncountable) A tool for finding whether a surface is level, or for creating a horizontal or vertical line of reference.
(countable, uncountable) A distance relative to a given reference elevation.
(countable, uncountable) Degree or amount.
(countable, uncountable) Achievement or qualification.
(countable, uncountable) Distance from the root node of a tree structure.
(countable, uncountable) One of several discrete segments of a game, generally increasing in difficulty and representing different locations in the game world.
(countable, uncountable) A numeric value given to a character (or other element of a game) that represents its relative power, challenge or eligibility to do things, used as a game mechanic to govern progression through a game.
(countable, uncountable) A floor of a multi-storey building.
(British, countable, uncountable) An area of almost perfectly flat land.
(Singapore, countable, uncountable) A school grade or year.
(countable, uncountable) One of the specific values which may be taken by a categorical variable.

(transitive) To adjust so as to make as flat or perpendicular to the ground as possible.
(transitive) To destroy by reducing to ground level; to raze.
(intransitive) To progress to the next level.
(transitive) To aim or direct (a weapon, a stare, an accusation, etc).
(transitive) To direct or impose (a penalty, fine, etc) at or upon (someone) [with on or against or at].
(intransitive) To make the score of a game equal.
(figuratively, transitive) To bring to a common level or plane, in respect of rank, condition, character, privilege, etc.
(transitive) To adjust or adapt to a certain level.
(intransitive) To speak honestly and openly [with with ‘someone’] (see: level with).

leveled

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