(noun, verb)


1. a principle or condition that customarily governs behavior

- it was his rule to take a walk before breakfast

Similar word(s): regulation

Definition categories: thought, concept, conception, construct

2. something regarded as a normative example

- violence is the rule not the exception

Similar word(s): convention, formula, normal, pattern

Definition categories: thought, practice

3. prescribed guide for conduct or action

Similar word(s): prescript

Definition categories: communication, direction, instruction

4. (linguistics) a rule describing (or prescribing) a linguistic practice

Definition categories: communication, concept, conception, construct

5. a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct

Similar word(s): principle

Definition categories: thought, generalisation, generality, generalization

6. the duration of a monarch's or government's power

- during the rule of Elizabeth

Definition categories: time, continuance, duration

7. dominance or power through legal authority

- the rule of Caesar

Similar word(s): dominion

Definition categories: state, ascendance, ascendancy, ascendence, ascendency, control, dominance

8. directions that define the way a game or sport is to be conducted

- he knew the rules of chess

Definition categories: communication, direction, instruction

9. any one of a systematic body of regulations defining the way of life of members of a religious order

- the rule of St. Dominic

Definition categories: communication, direction, instruction

10. a rule or law concerning a natural phenomenon or the function of a complex system

- the right-hand rule for inductive fields

Similar word(s): principle

Definition categories: thought, law

11. (mathematics) a standard procedure for solving a class of mathematical problems

- he determined the upper bound with Descartes' rule of signs

Similar word(s): formula

Definition categories: thought, procedure, process

12. measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths

Similar word(s): ruler

Definition categories: man–made, measure

Sentences with rule as a noun:

- All participants must adhere to the rules.

- My rule is to rise at six o'clock.

- As a rule, our senior editors are serious-minded.

- a rule for extracting the cube root


1. exercise authority over; as of nations

Similar word(s): govern

Definition categories: social, command, control

2. decide with authority

Similar word(s): decree

Definition categories: cognition, decide, determine

3. be larger in number, quantity, power, status or importance

Similar word(s): dominate, predominate, prevail, reign

Definition categories: stative

4. decide on and make a declaration about

Similar word(s): find

Definition categories: communication, judge, label, pronounce

5. have an affinity with; of signs of the zodiac

Definition categories: stative, accompany

6. mark or draw with a ruler

- rule the margins

Definition categories: creation, draw

7. keep in check

- rule one's temper

Similar word(s): harness, rein

Definition categories: change, keep, restrain

Sentences with rule as a verb:

- This game rules!