hesitancy C2+

/ˈhɛzɪtənsi/ reluctance or uncertainty about acting or speaking

hesitant C2+

/ˈhɛzɪtənt/ tentative or unsure; slow to act or decide

hesitance C2+

/ˈhɛzɪtəns/ the state of being slow to act or speak through doubt

hesitative C2+

/ˈhɛzɪˌteɪtɪv/ marked by hesitation; tentative or wavering