Insist on the best.
You're playing with fire if you insist on riding your motorcycle without a helmet on.
Come in. I insist.
Why do you insist on paying for your school expenses yourself, when your parents are willing to give you financial support?
Some people insist that television does more harm than good.
It will make most Americans uncomfortable if you insist on their accepting expensive gifts.
It never occurred to me that he might insist on treating me to dinner.
If you insist, I'll have another drink.
Many Americans insist that immigrants speak English, but wouldn't a true language purist insist on Old English, wynns, thorns, edhs and all?
We insist that during the next three days you make decisions which are fair to all generations and which show an active concern for the environment.
And that's why for almost a hundred years, any employee has been able to go to his employer and insist on being paid in cash.
Not to harp on the same string, I still insist that those who drink should never drive.
Smart single women were insisting that every lover used a condom for protection from AIDS ans STDs.
She insisted on me having a rest. / She insisted that I (should) have a rest.
To say firmly that something is true, especially when other people do not believe you. Mia insisted that she and Carlo were just friends.