insist

To continue to insist despite opposition or the passage of time.

Used to add emphasis, often in spoken offers or refusals.

To state your demand or belief with great force or conviction.

To state your demand or belief in a strong and determined way.

To insist on every occasion.

To insist many times.

To insist in a way that shows you will not be persuaded to change your mind.

To insist with good reason or justification.

To insist in a determined but unreasonable way.

To insist in a quiet but firm voice.

To insist in a loud voice.

To insist with strong and passionate feelings.

To insist without changing your opinion or attitude.

To insist in a very determined way, even when it is difficult.

To carry on insisting over a period of time.

To make an effort to be firm about something.

To demand that something must happen or that someone must do something.

A more formal way to say 'insist on'.