Dictionary.com

mandatory

[ man-duh-tawr-ee, -tohr-ee ]
/ ˈmæn dəˌtɔr i, -ˌtoʊr i /
Save This Word!

adjective
authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math.
pertaining to, of the nature of, or containing a command.
Law. permitting no option; not to be disregarded or modified: a mandatory clause.
having received a mandate, as a nation.
noun, plural man·da·to·ries.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of mandatory

From the Late Latin word mandātōrius, dating back to 1655–65. See mandate, -tory1

OTHER WORDS FROM mandatory

man·da·to·ri·ly, adverbnon·man·da·to·ry, adjective, noun, plural non·man·da·to·ries.un·man·da·to·ry, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use mandatory in a sentence

British Dictionary definitions for mandatory

mandatory
/ (ˈmændətərɪ, -trɪ) /

adjective
having the nature or powers of a mandate
obligatory; compulsory
(of a state) having received a mandate over some territory
noun plural -ries
Also called: mandatary a person or state holding a mandate

Derived forms of mandatory

mandatorily, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK