IPA: /ˈhɛzɪtəntli/
KK: /ˈhɛsɪtəntli/
In a way that shows uncertainty or lack of confidence; doing something slowly or with pauses because of doubt.
She spoke hesitantly, unsure of how her words would be received.
Hesitantly → It is formed from 'hesitant' (from Latin 'haesitare', meaning to stick or hesitate) and the suffix '-ly' (meaning in a manner of). The word 'hesitantly' describes the manner of acting with hesitation or uncertainty.
Think of someone acting in a way that shows they are 'sticking' or 'hesitating' — that's why hesitantly means doing something with uncertainty.