firstly
Americanadverb
adverb
Usage
What does firstly mean? Firstly means in the first place or first, as in Firstly, I did study for the test, and secondly, the test was long and difficult. You will most often see firstly at the start of a sentence that details a first point in an argument. Sentences that detail other points in the argument may begin with second, secondly, and similar terms that number (that is, enumerate) your points. Example: Firstly, I’d like to point out that I was never on the site on that day.
Etymology
Origin of firstly
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But a 2-1 series defeat at home by New Zealand was the end firstly for Stokes, then McCullum.
From BBC ● Jul. 13, 2026
"And alongside this, some security measures that respond firstly to Syrian and Lebanese concerns, and also Israeli concerns," he added.
From Barron's ● Jun. 21, 2026
The UBS CIO said such restrictions would firstly discourage training of more capable AI models as makers feared they would not be released.
From MarketWatch ● Jun. 15, 2026
The reason it was so important to me to support this work is, firstly, because of free speech, obviously.
From Slate ● May 18, 2026
She repeated the gesture, this time pointing firstly at him, then at herself, then at the ceiling.
From "Harry Potter and the Deathly Hallows" by J.K. Rowling
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.