Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mandatory”

mandatory

adjective uk   /ˈmæn.də.tər.i/ us    /-tɔːr.i/ formal
describes something that must be done, or is demanded by law: The minister is calling for mandatory prison sentences for people who assault police officers. Athletes must undergo a mandatory drugs test before competing in the championship. In 1991, the British government made it mandatory to wear rear seat belts in cars.
(Definition of mandatory from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mandatory?
Browse related topics

You are looking at an entry to do with Rules & laws, but you might be interested in these topics from the Law and the police topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “mandatory” in other dictionaries

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Countability – grammar codes

by Dom Glennon​​,
November 26, 2014
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More