First and First of all

First

First adverb - Before anything else.
Usage example: first we must consider the garter snake

First of all is a synonym for first in at first topic. In some cases you can use "First of all" instead an adverb "First".

Nearby Word: firstly

First of all

First of all adverb - Before anything else.
Show all Definitions
Synonyms for First of all

First is a synonym for first of all. You can use "First" instead the phrase "First of all" as an adverb or a noun.
Cite this Source
First of all and First. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/first/first_of_all
First & First of all. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/first/first_of_all>.
First of all or First. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/first/first_of_all.