hesitate
verb
ˈhezɪteɪt 
ˈhezɪteɪt 
1 [intransitive, transitive] to be slow to speak or act because you feel uncertain or nervousShe hesitated before replying.He seemed to hesitate a second.hesitate about/over something I didn't hesitate for a moment about taking the job.She stood there, hesitating over whether or not to tell him the truth.+ speech ‘I'm not sure,’ she hesitated.2 [intransitive] hesitate to do something to be worried about doing something, especially because you are not sure that it is right or appropriatePlease do not hesitate to contact me if you have any queries.If you'd like me to send you the book, then please don't hesitate to ask.hesitation ˌhezɪˈteɪʃn ˌhezɪˈteɪʃn Idioms
