He was 'insistent' about paying for dinner. [=he insisted on paying for dinner; he insisted that he should pay for dinner]
My friends were 'insistent' that I go. = They were 'insistent' on my going. [=they insisted that I go]
We listened to the 'insistent' crashing of waves on the beach.
(..) - Attaboy! So, what you want? I promised your wife I?d get you to go to confession. Now, why would you do that? - She was very insistent. She made me. Well you're kinda found of promising things you can?t deliver on, right, father? Let?s talk about something else. - What? Life and death. (..)2008 Gran Torino