After and First of all

After

After adjective - Being at or in the part of something opposite the front part.

First of all is an antonym for after in prior to topic.

First of all

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

After is an antonym for first of all.
Cite this Source
First of all and After. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/after/first_of_all
After & First of all. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/after/first_of_all>.
First of all or After. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/after/first_of_all.