"hesitating" in the verb sense
1. hesitate, waver, waffle
pause or hold back in uncertainty or unwillingness
"Authorities hesitate to quote exact figures"
2. hesitate, pause
interrupt temporarily an activity before continuing
"The speaker paused"
"hesitating" in the adjective sense
1. hesitant, hesitating
lacking decisiveness of character unable to act or decide quickly or firmly
Source: WordNet® (An amazing lexical database of English)
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