unsure

/ʌnˈʃʊr/
adjective
  1. Not certain or confident about something; having doubt.
    • I felt unsure about the answer during the test.
    • She was unsure whether to accept the job offer.
    • He looked unsure as he approached the unfamiliar building.
  2. Not firmly established or reliable; uncertain.
    • The future of the project remains unsure after the budget cuts.
    • His memory of the event is unsure, so we can't rely on it.
    • The weather forecast is unsure, so bring an umbrella just in case.