Unsure Synonyms

39 unsure synonyms include unconfident, not confident, lacking confidence, lacking self-confidence, not self-assured, lacking assurance, and diffident. Unsure is an adjective, and its antonyms are confident, assertive, decided, happy, and convinced. Here are some additional synonyms for "unsure" with example sentences.

Another word for Unsure

39 other ways to say unsure.

1. unconfident

  • vague
  •   
  • undecided  
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  • unconvinced  
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  • unconfident  
  •  
  • uncertain  
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  • unassertive  
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  • timorous  
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  • timid
  •   
  • suspicious
  •   
  • sceptical  
  •  
  • not self-assured  
  •  
  • not confident  
  •  
  • mistrustful  
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  • lacking self-confidence  
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  • lacking confidence  
  •  
  • lacking assurance  
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  • irresolute  
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  • in two minds  
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  • insecure
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  • in a quandary  
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  • in a dilemma  
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  • iffy  
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  • hesitant
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  • fearful  
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  • equivocating  
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  • dubious  
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  • doubtful  
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  • dithering  
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  • distrustful  
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  • diffident  
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  • apprehensive  
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  • anxious
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  • ambivalent
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2. not fixed

  • unknown
  •   
  • undecided  
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  • uncertain  
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  • not settled  
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  • not fixed  
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  • indeterminate  
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Use unsure in a Sentence

At present, she feels unsure.

He seemed unsure of the answer.

I’m unsure what to do next.

Researchers are unsure what caused the abnormality.

She felt unsure about her decision.

They were unsure of the plan.