unsure
🇺🇸
/ˌʌnˈʃʊr/
🇬🇧
/ˌʌnˈʃʊə(r)/
adjective
R
not certain about something; having doubts
I am unsure about the answer to that question.
R
lacking confidence in yourself
She felt unsure when speaking in front of the class.
translation
not certain about something; having doubts; lacking confidence in yourself