Word.ws English Dictionary

How to use uncertain in a sentence

40 example sentences · adjective, noun

Uncertain means not certain; unsure. Example: “Tomorrow's weather is uncertain.”

Examples of uncertain by meaning

adjectiveNot known for certain; questionable.

  • Tomorrow's weather is uncertain.

nounSomething uncertain; everything uncertain.

  • Their approach to the uncertain is laudable: they at least want to know the upper and lower bounds for what the answer could turn out to be.
  • Thinking about the uncertain refines our perception of the certain, and generally this takes place in a framework in which the uncertain is the future and the certain is the present.2011, John Lyons, The Phantom of Chance: From Fortune to Randomness in Seventeenth-Century French Literature

More sentences with uncertain

  • In very ancient or poorly documented languages, the precise semantics of words tend to be uncertain.From the entry semantics
  • The Court questioned the opportunity of introducing these measures in such an uncertain economic climate.From the entry opportunity
  • I told her in no uncertain terms that it was none of her business.From the entry term
  • In these uncertain times, I am disposed towards caution.From the entry dispose
  • The patient had fever and sweats for weeks, but the diagnosis was uncertain until Osler nodes appeared on her fingers.From the entry Osler node
  • The graffiti contains many anteclassical words of uncertain origin.From the entry anteclassical
  • My rampaging doubt kept me uncertain of how to proceed.From the entry rampaging
  • We are facing an uncertain future.From the entry face
  • The Romans themselves believed Romulus had given them a 10-month lunar calendar, but modern scholars consider the actual original state of Roman menology uncertain.From the entry menology
  • Social situations involved in opening relationships are uncertain, rather than risky, environments.2023, James K. Beggan, “How Do We Make Decisions?”, in The Decisions to Open a Relationship: To Three or Not to Three, Lanham, Md.…. From the entry open
  • He feared her device more than his for what was more frightening than an uncertain future?2023 October 31, Garrett Boatman, The Clocks of Midnight, Crossroad Press. From the entry scry
  • At the time, Jankowicz told CNN that she resigned because the board’s future was uncertain.2022 August 24, Geneva Sands, “DHS shuts down disinformation board months after its efforts were paused”, in CNN. From the entry Jankowicz
  • Due to gaps in Chinese historical records, the exact history of the state of E is uncertain.2014, Liu Yang, Cast for Eternity, Sterling and Francine Clark Art Institute, →ISBN, →OCLC, →OL, page 15. From the entry e
  • The distance estimate is uncertain and the peak luminosity is ≈ −6mag.2012 01, Mansi M. Kasliwal, Bridging the Gap: Elusive Explosions in the Local Universe, Universal-Publishers, →ISBN, page 129. From the entry mergeburst
  • In no uncertain terms do I believe that we should outlaw or 'wuss down' contact sports!!!2011 January 31, Ben McGrath, “Does football have a future: The NFL and the concussion crisis”, in The New Yorker. From the entry in no uncertain terms
  • The size of a grain of sand is also somewhat uncertain.2010, Göran Grimvall, “Chapter 1: Numbers”, in Quantify! A Crash Course in Smart Thinking, Johns Hopkins University Press, →ISBN. From the entry sandpile
  • Because the EDC Treaty faced an uncertain future in the French Assembly, the Mixed Board remained unconvened.2010, Peter Maguire, Law and War: International Law and American History, →ISBN, page 192. From the entry unconvened
  • Uniquely American, the vireos are a group of some 46 foliage-gleaning forest birds with uncertain family connections.2007, Jonathan Elphick, The Atlas of Bird Migration: Tracing the Great Journeys of the World's Birds, page 72. From the entry vireo
  • The uncertain caseophile may circle around the Fiumorbu twice before landing.2005, Max McCalman, David Gibbons, Cheese: A Connoisseur’s Guide to the World’s Best, Clarkson Potter/Publishers, →ISBN, “Fiomorbu…. From the entry caseophile
  • While interpersonal cyber-privacy is uncertain, so is the private use of some materials and data.1997 January, Susan Drucker and Gary Gumpert, “The Ambiguity of Privacy Rights: Lost in Electronic Space”, in Free Speech Yearbook, volume…. From the entry cyberprivacy
  • Its relationship to the wild vine of Eurasia, Vitis silvestris Gmel., is uncertain.1995, John Pairman Brown, Israel and Hellas (Beihefte zur Zeitschrift für die alttestamentliche Wissenschaft; 231), volume 1, Berlin…. From the entry pip
  • Heisenberg was uncertain whether he could make it, while Born said he would probably be there.1989 October 14, “Feedback”, in New Scientist, volume 124, number 1686, →ISSN, page 66. From the entry in two minds
  • In any uncertain situation, government tends to err on the side of caution and delay.1976 Oct. 29, James J. Kilpatrick, "Bureaucracy Infects Drug Industry," St. Petersburg Independent/Washington Star Syndicate, p. 23-A…. From the entry err on the side of caution
  • Arsenal keeper David Raya, who had an uncertain time, was twice almost caught in possession on his line by Julian Alvarez.2023 October 8, Phil McNulty, “Arsenal 1-0 Manchester City”, in BBC Sport. From the entry catch in possession
  • A handful of graduate fellows stepped forward, looking uncertain.2022, R. F. Kuang, Babel, HarperVoyager, page 453. From the entry Europeanist
  • Once the president's anger began to subside, he became less strident in his pronouncements and more uncertain of Soviet motives.2019 March 8, Dan Caldwell, Diplomacy, Force, And Leadership: Essays In Honor Of Alexander L. George, Routledge, →ISBN. From the entry strident
  • Moreover, shifting to quantum-resistant algorithms and encryption is theoretical and thus uncertain, but will surely be expensive and a decades-long endeavor.2019 September 10, Glenn S. Gerstell, “I Work for N.S.A. We Cannot Afford to Lose the Digital Revolution.”, in The New York Times, New…. From the entry quantum-resistant
  • When uncertain the prudent man steps back, degears, and waits for better opportunities that is my message in a nutshell.2014, John Piper, Financial Cataclysm Now!, →ISBN. From the entry degear
  • A furnacey smell and uncertain buzzing and whirring sounds.2014 June 19, Megan Abbott, The Fever, Pan Macmillan, →ISBN. From the entry furnacey
  • The probability of causes was still useful in particularly uncertain cases because it was more powerful than frequentism.2011, Sharon Bertsch McGrayne, The Theory That Would Not Die: How Bayes' Rule Cracked the Enigma Code, Hunted Down Russian Submarines, and…. From the entry frequentism
  • Jean the philobat, on the pattern of acrobat, the type that prefers to cope alone with difficult, uncertain situations.2008, Isabel Fonseca, Attachment, London: Chatto & Windus, →ISBN, pages 182–183. From the entry philobat
  • If you are at any time uncertain of what may be said, permit me to answer in your stead.2007, Stephen R[eeder] Donaldson, Fatal Revenant (The Last Chronicles of Thomas Covenant; 2), New York, N.Y.: G[eorge] P[almer] Putnam’s…. From the entry chary
  • Carl Ben had been called away for a trial of uncertain length, but the others eagerly anticipated the scienceman's observations.2005, Donald Bruce Beard, Billie the Wind Discovers Bodie, Cal., iUniverse, →ISBN. From the entry scienceman
  • Interceptive actions are common in everyday life and are instrumental in helping humans to adapt to their complex and uncertain environments.2004, Simon Bennett, Keith Davids, Geert J.P. Savelsbergh, Interceptive Actions in Sport: Information and Movement. From the entry interceptive
  • Each step in the soft peat is uncertain.2001, Richard Dwight Porcher, Douglas Alan Rayner, A Guide to the Wildflowers of South Carolina, University of South Carolina, page 95. From the entry pocosin
  • Exactly when the first palinspastic reconstruction was published is uncertain.1996, M. P. A. Jackson, “Chapter 1: Retrospective Salt Tectonics”, in M. P. A. Jackson, David G. Roberts, Sig Snelson, editors, Salt…. From the entry palinspastic
  • A similar example of uncertain octavation will be described in the following section on the Fate of Quartal and Quintal Patterns.1977, Curt Sachs, edited by Jaap Kunst, The Wellsprings of Music, page 158. From the entry octavation

Meaning of uncertain

  1. adjective Not certain; unsure.
  2. adjective Not known for certain; questionable.
  3. adjective Not yet determined; undecided.

Full definition of uncertain

Questions about uncertain in a sentence

How do you use uncertain in a sentence?
Uncertain is used as an adjective and noun. For example: “Tomorrow's weather is uncertain.”
What is a short sentence with uncertain?
“Tomorrow's weather is uncertain.”
What does uncertain mean?
Uncertain means not certain; unsure.

Source and license

Adapted from Wiktionary: uncertain (page history and authors) and the entries each sentence comes from. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the sentences, left out offensive ones and quotations older than 1900, and marked the word in each. Wiktionary data of 2026-09-02.

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