compulsory

adjective

com·​pul·​so·​ry kəm-ˈpəls-rē 

-ˈpəl-sə-

1

: mandatory, enforced

compulsory retirement

2

: coercive, compelling

compulsory measures

compulsorily

kəm-ˈpəls-rə-lē 

-ˈpəl-sə-

adverb

Synonyms

• forced
• imperative
• incumbent
• involuntary
• mandatory
• necessary
• nonelective
• obligatory
• peremptory
• required

Examples of compulsory in a Sentence

To free the mind and the heart from compulsory religious confession and observance was good for all three interested parties: the state, the church and the people. —Jon Meacham, Newsweek, 27 Jan. 2009

So he wants a private life and no photographs and nobody to know his home address. I can dig it, I can relate to that (but, like he should try it when it's compulsory instead of a free-choice option). —Salman Rushdie, New York Times Book Review, 14 Jan. 1990

He began to resent the compulsory attendance at the boring factory meetings. —James Reston, Jr., Time, 28 Nov. 1988

compulsory retirement at age 70

Recent Examples on the Web

Hybrid and flexible work environments that are built around intentional in-person experiences rather than compulsory presence can drive greater innovation and engagement. —Solange Charas, Forbes, 1 Mar. 2025

India, in less than two years, subjected millions of citizens to compulsory sterilization. —Gideon Lewis-Kraus, The New Yorker, 24 Feb. 2025

The compulsory removal of all Gazans — including thousands of terrorists — is not only contrary to international law, but it is also forbidden by Judaism. —Chicago Tribune, 14 Feb. 2025

However, in the past year the city eliminated funding for needle exchanges and implemented compulsory treatment strategies, which research suggests often do not reduce drug use or criminal recidividism. —Ben Cocchiaro, The Conversation, 11 Feb. 2025

Word History

Etymology

borrowed from Anglo-French & Medieval Latin; Anglo-French compulsorie "compelling, coercive," borrowed from Medieval Latin compulsōrius, derivative, with -tōrius, deverbal adjective suffix (originally forming derivatives from agent nouns ending in -tōr-, -tor) of Latin compellere "to drive together, force to go, force (to a view, course of action)" (with -s- from past participle compulsus) — more at compel

First Known Use

1581, in the meaning defined at sense 1

Kids Definition

compulsory

adjective

com·​pul·​so·​ry kəm-ˈpəls-(ə-)rē 

1

: required by or as if by law

compulsory education

2

: having the power of forcing someone to do something

a compulsory law

Legal Definition

compulsory

adjective

com·​pul·​so·​ry kəm-ˈpəl-sə-rē 

1

: required or compelled by law : mandatory, obligatory

compulsory arbitration

compulsory insurance

specifically : required to be brought or asserted in a pleading because of having arisen from the transaction or occurrence that is the subject of litigation

a compulsory counterclaim

compulsory reconvention

compare elective, permissive

2

: using compulsion : compelling

compulsory measures

compulsorily

-sə-rə-lē 

adverb