What Is Another Way to Say “Not Sure”?

Looking for synonyms for not sure? We’ve got you covered!

Here’s a list of other ways to say not sure.

  • Uncertain
  • Unsure
  • Doubtful
  • Indecisive
  • Hesitant
  • Undecided
  • Ambivalent
  • Wavering
  • Skeptical
  • Questioning
  • In doubt
  • Tentative
  • Irresolute
  • Vague
  • Noncommittal
  • Vacillating
  • Dubious
  • Unconvinced
  • Perplexed
  • Conflicted

Want to learn how to say not sure professionally? Keep reading for examples and use cases.

1. Uncertain

Appropriate Use: Not able to be reliably known or predicted.
Example: “The manager is uncertain about the potential outcomes of the new market strategy.”

2. Unsure

Appropriate Use: Lacking confidence in or having doubts about something.
Example: “She was unsure about the feasibility of the proposed project timeline.”

3. Doubtful

Appropriate Use: Feeling uncertain about something or lacking conviction.
Example: “The team was doubtful about the success of the new advertising campaign.”

4. Indecisive

Appropriate Use: Not settling an issue or having difficulty making a decision.
Example: “The committee was indecisive about which proposal to approve.”

5. Hesitant

Appropriate Use: Tentative, unsure, or slow in acting or speaking.
Example: “He was hesitant to commit the resources without further analysis.”

6. Undecided

Appropriate Use: Not having made a decision.
Example: “The board remains undecided on the matter of the merger.”

7. Ambivalent

Appropriate Use: Having mixed feelings or contradictory ideas about something.
Example: “The director felt ambivalent about the change in company policy.”

8. Wavering

Appropriate Use: Showing indecision or uncertainty.
Example: “Her support for the project was wavering due to inconsistent results.”

9. Skeptical

Appropriate Use: Not easily convinced; having doubts or reservations.
Example: “The investors were skeptical about the projected return on investment.”

10. Questioning

Appropriate Use: Raising questions or having doubts.
Example: “The manager was questioning the reliability of the new software.”

11. In doubt

Appropriate Use: Uncertain or unsure.
Example: “The success of the initiative is still in doubt due to market fluctuations.”

12. Tentative

Appropriate Use: Not certain or fixed; provisional.
Example: “The launch date for the product is still tentative.”

13. Irresolute

Appropriate Use: Showing or feeling hesitancy; uncertain.
Example: “The team leader was irresolute about adopting the new procedure.”

14. Vague

Appropriate Use: Of uncertain, indefinite, or unclear character or meaning.
Example: “Her instructions were too vague, leading to confusion among team members.”

15. Noncommittal

Appropriate Use: Not expressing or revealing a commitment to a definite opinion or course of action.
Example: “His response to the proposal was noncommittal.”

16. Vacillating

Appropriate Use: Alternating or wavering between different opinions or actions.
Example: “The CEO was vacillating between expanding and consolidating the company’s operations.”

17. Dubious

Appropriate Use: Hesitating or doubting.
Example: “There are some dubious aspects of the plan that need clarification.”

18. Unconvinced

Appropriate Use: Not persuaded or assured of something.
Example: “The team was unconvinced about the new strategy’s potential benefits.”

19. Perplexed

Appropriate Use: Completely baffled or puzzled.
Example: “The sudden drop in sales left the sales manager perplexed.”

20. Conflicted

Appropriate Use: Having or showing confused and mutually inconsistent feelings.
Example: “She was conflicted about accepting the job offer due to its demanding nature.”

Linda Brown