the most important or famous in English:

This question has been foremost in our minds recently.

He is the foremost authority on heart surgery.

First and foremost...

impolitness is not foremost among his sins

foremost sport competition

The barbarian is, first and foremost, the man who believes in barbarianism.

Lack of originality, everywhere, all over the world, from time immemorial, has always been considered the foremost quality and the recommendation of the active, efficient and practical man...