Most important, primarily; also, to begin with. For example, First and foremost, I want to thank our sponsors, or What we need, first and foremost, is a new secretary, or We have to deal, first of all, with the early history.

Is it grammatically correct to say first and foremost?

The first term, dating from the late 1300s, is redundant, since first and foremost mean virtually the same thing. Both it and the variant, which dates from the mid-1500s, are used to give emphasis to the initial item in a list of several.

Can I use first and foremost in a sentence?

(1) It is first and foremost a trade agreement. (2) He does a little teaching, but first and foremost he's a writer. (3) He does a bit of writing, but first and foremost he's a teacher. (4) He was a singer, but first and foremost a scholar.