What does uncertain mean?

Definitions for uncertain
ʌnˈsɜr tnun·cer·tain

This dictionary definitions page includes all the possible meanings, example usage and translations of the word uncertain.

Princeton's WordNet

  1. uncertain, unsure, incertainadjective

    lacking or indicating lack of confidence or assurance

    "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers"

  2. uncertainadjective

    not established beyond doubt; still undecided or unknown

    "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain"

  3. unsealed, uncertainadjective

    not established or confirmed

    "his doom is as yet unsealed"

  4. uncertainadjective

    not certain to occur; not inevitable

    "everything is uncertain about the army"; "the issue is uncertain"

  5. changeable, uncertain, unsettledadjective

    subject to change

    "a changeable climate"; "the weather is uncertain"; "unsettled weather with rain and hail and sunshine coming one right after the other"

  6. uncertainadjective

    not consistent or dependable

    "an uncertain recollection of events"; "a gun with a rather uncertain trigger"

  7. uncertainadjective

    ambiguous (especially in the negative)

    "she spoke in no uncertain terms"


  1. uncertainadjective

    not known for certain; questionable

  2. uncertainadjective

    not yet determined; undecided

  3. uncertainadjective

    variable and subject to change

  4. uncertainadjective

    fitful or unsteady

  5. uncertainadjective

    unpredictable or capricious

Samuel Johnson's Dictionary

  1. Uncertainadjective

    Etymology: incertain, Fr. incertus, Lat.

    That sacred pile, so vast, so high,
    That whether ’tis a part of earth or sky,
    Uncertain seems; and may be thought a proud
    Aspiring mountain, or descending cloud. John Denham.

    Man, without the protection of a superior being, is secure of nothing that he enjoys, and uncertain of every thing that he hopes for. John Tillotson.

    Condemned on Caucasus to lie,
    Still to be dying, not to die;
    With certain pain, uncertain of relief,
    True emblem of a wretched lover’s grief. George Granville.

    I must be married to my brother’s daughter,
    Or else my kingdom stands on brittle glass:
    Murther her brothers, and then marry her!
    Uncertain way of gain! William Shakespeare, Richard III.

    Ascanius young, and eager of his game,
    Soon bent his bow, uncertain in his aim:
    But the dire fiend the fatal arrow guides,
    Which pierc’d his bowels through his panting sides. Dryden.

    In the bright air the fauchion shone,
    Or whistling slings dismiss’d th’ uncertain stone. John Gay.

    The search of our future being, is but a needless, anxious, and uncertain haste to be knowing, sooner than we can, what, without all this solicitude, we shall know a little later. Alexander Pope.

    As the form of our publick service is not voluntary, so neither are the parts thereof uncertain; but they are all set down in such order, and with such choice, as hath, in the wisdom of the church, seemed best. Richard Hooker.


  1. uncertain

    Uncertain refers to something being unknown, doubtful, or not clearly identified or defined. It can pertain to situations, events, or outcomes that are unpredictable or lack certainty.

Webster Dictionary

  1. Uncertainadjective

    not certain; not having certain knowledge; not assured in mind; distrustful

  2. Uncertainadjective

    irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze

  3. Uncertainadjective

    questionable; equivocal; indefinite; problematical

  4. Uncertainadjective

    not sure; liable to fall or err; fallible

  5. Uncertainadjective

    to make uncertain


  1. Uncertain

    Uncertain is a city in Harrison County, Texas, in the United States. As of the 2000 census, the city population was 150.

Chambers 20th Century Dictionary

  1. Uncertain

    un-sėr′tān, adj. not certain, doubtful: not to be depended upon: not sure of the result.—adv. Uncer′tainly.—ns. Uncer′tainness; Uncer′tainty, state of being uncertain or doubtful: want of certainty: that which is uncertain.

British National Corpus

  1. Spoken Corpus Frequency

    Rank popularity for the word 'uncertain' in Spoken Corpus Frequency: #4399

  2. Adjectives Frequency

    Rank popularity for the word 'uncertain' in Adjectives Frequency: #600

Anagrams for uncertain »

  1. runcinate

  2. N Centauri

  3. encurtain

How to pronounce uncertain?

How to say uncertain in sign language?


  1. Chaldean Numerology

    The numerical value of uncertain in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of uncertain in Pythagorean Numerology is: 6

Examples of uncertain in a Sentence

  1. Ramana Pemmaraju:

    Of all the species that god created, man remains the most fragile and certainly uncertain, thanks to his histrionic nature!

  2. Red Cross spokeswoman Krislyn Yano:

    It’s an anomaly, everything is so uncertain.

  3. Pavlo Sheremeta:

    A bailout is not enough for recovery, austerity is not enough for recovery. Ukraine needs investment, a lot of investment. Even local investors are very wary of investing in these uncertain, nervous times.

  4. Jake Maguire:

    It’s crazy, we’re told it’s scientific, but it produces a very uncertain number.

  5. Charles Raison:

    It tells you he's at peace with what he's doing, if you were uncertain or anxious, you might still open the cabin door (when the pilot was banging on the door and yelling to be let in). Calm determination to do this tells you he really believed in what he was doing.

Popularity rank by frequency of use


Translations for uncertain

From our Multilingual Translation Dictionary

  • incertCatalan, Valencian
  • nejistýCzech
  • ungewiss, unsicher, unbeständig, unbestimmtGerman
  • necertaEsperanto
  • inciertoSpanish
  • epävarma, kyseenalainen, arvaamaton, epävakaaFinnish
  • incertainFrench
  • mì-chinnteachScottish Gaelic
  • bizonytalanHungarian
  • გაურკვეველიGeorgian
  • មិនប្រាកដប្រជាKhmer
  • harapuka, ngākaurua, taupetupetuMāori
  • nieokreślony, niezdecydowany, niepewnyPolish
  • incert, nedecis, neregulat, nestatornic, instabili, inconstant, imprevizibili, variabil, imprevizibil, instabil, indecis, nesiguri, nesigur, nestabilRomanian
  • непостоя́нный, изме́нчивый, неусто́йчивый, непредсказу́емый, неуве́ренный, нея́сный, неопределённый, нестаби́льныйRussian
  • நிச்சயமற்றதுTamil

Get even more translations for uncertain »


Find a translation for the uncertain definition in other languages:

Select another language:

  • - Select -
  • 简体中文 (Chinese - Simplified)
  • 繁體中文 (Chinese - Traditional)
  • Español (Spanish)
  • Esperanto (Esperanto)
  • 日本語 (Japanese)
  • Português (Portuguese)
  • Deutsch (German)
  • العربية (Arabic)
  • Français (French)
  • Русский (Russian)
  • ಕನ್ನಡ (Kannada)
  • 한국어 (Korean)
  • עברית (Hebrew)
  • Gaeilge (Irish)
  • Українська (Ukrainian)
  • اردو (Urdu)
  • Magyar (Hungarian)
  • मानक हिन्दी (Hindi)
  • Indonesia (Indonesian)
  • Italiano (Italian)
  • தமிழ் (Tamil)
  • Türkçe (Turkish)
  • తెలుగు (Telugu)
  • ภาษาไทย (Thai)
  • Tiếng Việt (Vietnamese)
  • Čeština (Czech)
  • Polski (Polish)
  • Bahasa Indonesia (Indonesian)
  • Românește (Romanian)
  • Nederlands (Dutch)
  • Ελληνικά (Greek)
  • Latinum (Latin)
  • Svenska (Swedish)
  • Dansk (Danish)
  • Suomi (Finnish)
  • فارسی (Persian)
  • ייִדיש (Yiddish)
  • հայերեն (Armenian)
  • Norsk (Norwegian)
  • English (English)

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:


Use the citation below to add this definition to your bibliography:


"uncertain." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/uncertain>.

Discuss these uncertain definitions with the community:


    Are we missing a good definition for uncertain? Don't keep it to yourself...

    Free, no signup required:

    Add to Chrome

    Get instant definitions for any word that hits you anywhere on the web!

    Free, no signup required:

    Add to Firefox

    Get instant definitions for any word that hits you anywhere on the web!

    Browse Definitions.net


    Are you a words master?

    be similar, be in line with
    A attend
    B conform
    C demolish
    D blur

    Nearby & related entries:

    Alternative searches for uncertain: