unconstrained
Britishadjective
Explanation
Use unconstrained to describe not holding back, like the frenzied fans whose team just won the championship showing their unconstrained joy. In the adjective unconstrained the prefix un-, meaning “not,” meets constrained, meaning “restricted” or “limited.” So something that’s unconstrained means "without limits or restrictions," like an unconstrained child who doesn't have to follow rules, the unconstrained power of a dictator, or an unconstrained dog running loose.
Vocabulary lists containing unconstrained
President Obama's Speech on the 50th Anniversary of the March on Washington
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G.2: Regionalization (Sources 1–11)
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Tess of the d'Urbervilles
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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.
"Offensive agents are unconstrained, while the best defensive tools are locked behind guardrails that cannot understand context."
From BBC ● Jul. 22, 2026
The river once terrorized Angelenos; its unconstrained flow was prone to flooding until most of its 51 miles were lined with concrete starting in the 1940s.
From Los Angeles Times ● Jul. 13, 2026
Aizenberg’s lab is developing an e-nose device that livestock would wear as an earring, allowing unconstrained real-time data collection.
From The Wall Street Journal ● Mar. 17, 2026
“Domestically, he’s got all kinds of challenges, from Epstein to tariffs. But overseas, he’s unconstrained, unshackled.”
From Slate ● Mar. 10, 2026
Her strides took on purpose as if her feet were marking a path through the cornfields where wild girls ran unconstrained — and where they hid themselves when the world judged them for their agency.
From "Beauty Queens" by Libba Bray
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.
