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Synonyms

unrestrained

American  
[uhn-ri-streynd] / ˌʌn rɪˈstreɪnd /

adjective

  1. not restrained or controlled; uncontrolled or uncontrollable.

    the unrestrained birthrate in some countries.

    Synonyms:
    excessive, unbridled, unrepressed, unchecked
  2. not constrained; spontaneous.

    unrestrained laughter.


unrestrained British  
/ ˌʌnrɪˈstreɪnɪdlɪ, ˌʌnrɪˈstreɪnd /

adjective

  1. not restrained or checked; free or natural

"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

Other Word Forms

Etymology

Origin of unrestrained

First recorded in 1580–90; un- 1 + restrained

Explanation

You know how your uncle Marvin is always screaming at the television when his game shows are on? That’s because he’s being unrestrained. Anyone exhibiting uncontrolled emotion is unrestrained, meaning they don’t hold back. Unrestrained comes from the French restreinte, which means “hold back.” When something is restrained, that thing is confined in some way. Unrestrained means just the opposite. When you’re feeling unrestrained excitement, you might jump up and down, or call all your friends to tell them how you feel. The unrestrained crush you have on the guy in math class might lead you to cover your notebooks with his name written in bubble letters. It happens to the best of us.

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Vocabulary lists containing unrestrained

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.

Unrestrained power, of course, is the president’s raison d’être.

From Salon • Sep. 27, 2025

Unrestrained consumption, technological wizardry and unchecked growth were assaulting the nation’s natural resources.

From Washington Post • Nov. 22, 2022

Unrestrained outbreaks, particularly among immunocompromised people, would give the virus more opportunity to acquire mutations that make it more resilient — in people and in animals.

From Seattle Times • May 26, 2022

Here are some things to expect the next time you attend a four-hour art-school crit: Unrestrained use of words like “ontological.”

From The New Yorker • Mar. 5, 2017

He, verily, is the Ordainer, the Omnipotent, the Unrestrained.

From The Kitáb-i-Aqdas by Bahá'u'lláh