to use power, authority, or influence over: [~ + object]to rule a kingdom.[no object]to rule for only a decade.
to decide in a court of law or by some authority; decree: [no object]How will the court rule?[~ + on + object]The court will rule on the matter at its next session.[~ + (that) clause]The court ruled that she could not keep her baby.
to mark with lines, esp. parallel straight lines, with the aid of a ruler[~ + object]to rule paper.
[~ + object] to be superior in (a group), so as to hold influence over.
to influence or control[~ + object]sometimes ruled by passion and not by logic.
rule out, to eliminate from thinking about; to decide to ignore: [~ + out + object]We can rule out the possibility of an overnight improvement in the economy.[~ + object + out]We can't rule it out completely.
Idiomsas a rule, generally; usually:He's there by 7:30 as a rule.
a principle or regulation governing conduct, action, procedure, arrangement, etc.:the rules of chess.
the code of regulations observed by a religious order or congregation:the Franciscan rule.
the customary or normal circumstance, occurrence, manner, practice, quality, etc.:the rule rather than the exception.
control, government, or dominion:under the rule of a dictator.
tenure or conduct of reign or office:during the rule of George III.
a prescribed mathematical method for performing a calculation or solving a problem.
Weights and Measuresruler (def. 2).
Astronomy(cap.)[Astron.]the constellation Norma.
Printing[Print.]a thin, type-high strip of metal, for printing a solid or decorative line or lines.
a formal order or direction made by a court, as for governing the procedure of the court(general rule)or for sending the case before a referee(special rule).
a legal principle.
a court order in a particular case.
a fixed area in the neighborhood of certain prisons within which certain prisoners were allowed to live.
the freedom of such an area.
as a rule, generally; usually:He arrives at eleven o'clock, as a rule.
to control or direct; exercise dominating power, authority, or influence over; govern:to rule the empire with severity.
to decide or declare judicially or authoritatively; decree:The judge ruled that he should be exiled.
to mark with lines, esp. parallel straight lines, with the aid of a ruler or the like:to rule paper.
to mark out or form (a line) by this method:to rule lines on paper.
to be superior or preeminent in (a specific field or group); dominate by superiority; hold sway over:For centuries, England ruled the seas.
to exercise dominating power or influence; predominate.
to exercise authority, dominion, or sovereignty.
to make a formal decision or ruling, as on a point at law.
to be prevalent or current:Higher prices ruled throughout France.
to prove to be unrelated or not for consideration; eliminate; exclude:to rule out the possibility of error.
to make impossible or impracticable:The rainstorm ruled out the holiday camping.
rule the roost. See roost (def. 4).
Late Latin rēgulāre, derivative of rēgula
Old French riuler, rieuler, ruler
Latin rēgula straight stick, pattern (see regula); (verb, verbal) Middle English riwlen, reulen, rewellen
Old French riule
(noun, nominal) Middle English riule, reule 1175–1225
1. standard, law, ruling, guide, precept, order. See principle.4. command, domination, mastery, sway, authority, direction. 14.Rule,administer,command,govern,manage mean to exercise authoritative guidance or direction. Rule implies the exercise of authority as by a sovereign:to rule a kingdom.Administer places emphasis on the planned and orderly procedures used:to administer the finances of an institution.Command suggests military authority and the power to exact obedience; to be in command of:to command a ship.Togovern is authoritatively to guide or direct persons or things, esp. in the affairs of a large administrative unit:to govern a state.Tomanage is to conduct affairs, i.e., to guide them in a unified way toward a definite goal, or to direct or control people, often by tact, address, or artifice:to manage a business.15. order, judge.
an authoritative regulation or direction concerning method or procedure, as for a court of law, legislative body, game, or other human institution or activity: judges' rules, play according to the rules
the exercise of governmental authority or control: the rule of Caesar
the period of time in which a monarch or government has power: his rule lasted 100 days
a customary form or procedure; regular course of action: he made a morning swim his rule
the rule ⇒ the common order of things; normal condition: violence was the rule rather than the exception
a prescribed method or procedure for solving a mathematical problem, or one constituting part of a computer program, usually expressed in an appropriate formalism
any of various devices with a straight edge for guiding or measuring; ruler: a carpenter's rule
a printed or drawn character in the form of a long thin line