verb
-
to compel or force, esp by persuasion, circumstances, etc; oblige
-
to restrain by or as if by force; confine
Other Word Forms
Etymology
Origin of constrain
1275–1325; Middle English constrei ( g ) nen < Anglo-French, Middle French constrei ( g ) n- (stem of constreindre ) < Latin constringere. See con-, strain 1
Explanation
To constrain is to hold back, restrain, or confine. If you've ever had to constrain a toddler in the middle of a temper tantrum, you know you have to watch out for flailing limbs. The verb constrain comes from the Latin word constringere, which means to bind together or tie tightly. Constrain can imply both literal and figurative bindings. You can constrain someone by physically holding on to something like a person's shirt. Or, you can figuratively constrain someone by putting up obstacles. Your teenagers, for example, may feel constrained by your rules and accuse you of sucking the fun out of their social lives.
Vocabulary lists containing constrain
Just Mercy
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Excerpt from "The Declaration of Independence"
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Essential English Vocabulary, List 3
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But it warned that "if instability in the Middle East persists, rising costs, delays and limited transport capacity are likely to constrain humanitarian operations further."
From BBC • May 2, 2026
The concentrated hard-disk drive market allows Western Digital and Seagate to constrain supply, raise prices, and secure long-term contracts.
From Barron's • Apr. 27, 2026
Hiring has slowed over the past few years, but so has growth in the number of people available for work in the U.S., a balance that has helped constrain layoffs and joblessness.
From The Wall Street Journal • Apr. 16, 2026
Getting crosswise with public opinion is sometimes enough to constrain a president.
From Slate • Apr. 8, 2026
For the Arguments to induce belief, though of sufficient certainty, yet do not so constrain the mind to give its assent, but there is prudence and choice in it.
From "The Invention of Science" by David Wootton
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.