We found one dictionary that defines the word first/best/most etc of all:

General (1 matching dictionary)

▸ Words similar to first/best/most etc of all ▸ Usage examples for first/best/most etc of all ▸ Idioms related to first/best/most etc of all ▸ Wikipedia articles (New!) ▸ Words that often appear near first/best/most etc of all ▸ Rhymes of first/best/most etc of all ▸ Invented words related to first/best/most etc of all