first off

adverb

Firstly; before anything else. Often used to introduce the first in a list of points to be made in conversation.

Similar
firstfirstlyfirst of allfirst upall Thesaurus:firstlyforemost
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Meanings

adverbfirst off (not comparable)
  1. idiomaticnot comparablesequenceFirstly; before anything else. Often used to introduce the first in a list of points to be made in conversation.

    Synonyms: first, firstly, first of all, first up, all Thesaurus:firstly

Synonyms & antonyms

adverbFirstly; before anything else. Often used to introduce the first in a list of points to be made in conversation.

Similar
firstfirstlyfirst of allfirst upall Thesaurus:firstly

More synonyms by meaning

adverbbefore anything else

Similar
firstfirstlyforemostfirst of all
Also see
firstfirstlyfirst of allfirst upforemost

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

first off. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/first%20off

MLA

“first off.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/first%20off. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “first off,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/first%20off.

Source: first off on Wiktionary, CC BY-SA 4.0.