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Synonyms

unambiguous

American  
[uhn-am-big-yoo-uhs] / ˌʌn æmˈbɪg yu əs /

adjective

  1. not ambiguous, or unclear; distinct; unequivocal.

    The object of the experiment was to reach an unambiguous conclusion about climate change.
unambiguous British  
/ ˌʌnæmˈbɪɡjʊəs /

adjective

  1. not ambiguous; clear

    an unambiguous message
"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

  • unambiguously adverb
  • unambiguousness noun

Etymology

Origin of unambiguous

un- 1 + ambiguous

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.

As always, the burden of proof would be on you to make your case that your stepmother made an unambiguous promise.

From MarketWatch • Feb. 23, 2026

But it remains surprising that its members continue to stick doggedly to their story in the face of unambiguous video evidence contradicting it.

From Slate • Jan. 15, 2026

Artists from Beyonce on down are dragged “into unambiguous business roles, and pushing fans to spend their money, not just on media, but across a wide range of premium, mediocre commodities,” Marx writes.

From Los Angeles Times • Dec. 11, 2025

"I appreciated the public declarations she made following my conviction, which were brave and totally unambiguous," he writes.

From BBC • Dec. 10, 2025

The idea was to send an unambiguous message to the vandals themselves.

From "The Tipping Point" by Malcolm Gladwell

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.