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Definition of uncertain adjective from the Oxford Advanced Learner's Dictionary

uncertain

adjective
 
/ʌnˈsɜːtn/
 
/ʌnˈsɜːrtn/
Idioms
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  1. [not before noun] uncertain (about/of something) feeling doubt about something; not sure
    • They're both uncertain about what to do.
    • I'm still uncertain of my feelings for him.
    opposite certain
    Express Yourself Expressing certainty or uncertaintyExpressing certainty or uncertaintyWhen you are stating what has happened or is going to happen, you can say how certain or uncertain you are about what you are saying:
      • I'm sure there's nothing to worry about.
      • I'm 100% certain that's what happened.
      • I'm absolutely positive I left my keys on the table.
      • There's no doubt in my mind that this is the best option.
      • Without doubt, she's our best player.
      • There's no question that the government could have done more.
      • I'm not (at all) sure what time they arrive, to be honest.
      • I rather doubt they'll call back.
      (British English)
    Extra Examples
    • He seemed strangely uncertain as to how to continue.
    • His research into the incident has left him uncertain as to exactly where responsibility lay.
    • I feel deeply uncertain about the future.
    • We were rather uncertain of the direction it came from.
    Topics Doubt, guessing and certaintyb1
    Oxford Collocations Dictionaryverbs
    • be
    • feel
    • look
    adverb
    • deeply
    • very
    • rather
    preposition
    • about
    • as to
    • of
    See full entry
  2. likely to change, especially in a negative or unpleasant way
    • Our future looks uncertain.
    • a man of uncertain temper
    Extra Examples
    • Cost estimates are notoriously uncertain in this business.
    • The world is inherently uncertain.
    Oxford Collocations Dictionaryverbs
    • be
    • look
    • become
    adverb
    • extremely
    • fairly
    • very
    See full entry
  3. not definite or decided synonym unclear
    • It is uncertain what his role in the company will be.
    Extra Examples
    • Whether diet is an important factor in this illness is still uncertain.
    • immigration policies that made employment status uncertain
    Oxford Collocations Dictionaryverbs
    • be
    • look
    • become
    adverb
    • extremely
    • fairly
    • very
    See full entry
  4. not confident synonym hesitant
    • The baby took its first uncertain steps.
    Oxford Collocations Dictionaryverbs
    • be
    • feel
    • look
    adverb
    • deeply
    • very
    • rather
    preposition
    • about
    • as to
    • of
    See full entry
Idioms
in no uncertain terms
  1. clearly and strongly
    • I told him what I thought of him in no uncertain terms.
See uncertain in the Oxford Advanced American DictionarySee uncertain in the Oxford Learner's Dictionary of Academic English

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