hesitation
🇺🇸
/ˌhezɪˈteɪʃn/
🇬🇧
/ˌhezɪˈteɪʃn/
Pausing because you are unsure or nervous
His hesitation showed he was not sure about the answer.
Feeling unsure about doing something because it might not be right
She had no hesitation in helping her friend.