Synonyms for

Unsure

Verb / ʌˈnʃʊr / Another word for unsure — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

not certain or confident; doubtful

Synonyms & similar words

diffident incertain sure uncertain confident shy certain timid uncertain doubtful indecisive hesitant wavering unconvinced skeptical ambiguous equivocal unsettled undecided vacillating hesitating waffling irresolute dubious iffy unresolved unclear insecure

Synonyms by register

Formal

dubious hesitant indecisive apprehensive

Informal

iffy on the fence wishy-washy undecided

Literary

irresolute wavering vacillating

Antonyms

sure certain confident decided convinced positive assured

Common collocations

  • unsure of yourself
  • unsure about the future
  • unsure whether
  • unsure how
  • unsure what to do
  • unsure of the answer
  • feeling unsure

Word family

noun uncertainty
adverb unsurely

Usage note

While 'unsure' can be used in most contexts, it generally implies a lesser degree of doubt than 'uncertain'. It often describes a personal feeling of indecision rather than an objective lack of clarity.

Example sentences

  1. She was unsure about the answer to the math problem.
  2. He felt unsure about going to the party without his friends.
  3. I'm feeling unsure about my decision to move to a new city.
  4. She was unsure if she wanted to try the new food.
  5. He was unsure about the safety of the roller coaster ride.

Quotes

  • I'm unsure what the future holds, but I'm not worried.
  • Uncertainty is a sign of humility, and humility is just the ability or the willingness to learn.
  • I'm unsure how people can't get along.

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