headfirst

adverb

head·​first ˈhed-ˈfərst How to pronounce headfirst (audio)
1
: with the head foremost
dove headfirst into the waves
2
headfirst adjective

Examples of headfirst in a Sentence

She dove into the water headfirst. She rushed into the relationship headfirst.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
From monstrous transformations to a literal resurrection, part 2 dives headfirst into the Addams family’s haunted lineage. Jane Lacroix, PEOPLE, 5 Sep. 2025 Cringe With Intention: How To Do It Right Of course, not every brand should dive headfirst into weird edits and meme-laden self-roasting. Leeron Walter, Forbes.com, 3 Sep. 2025 The two then dive headfirst into a steamy affair centered around a submission kink, with Samuel using it to leverage control over Romy's career and personal life. Charlotte Walsh, People.com, 1 Sep. 2025 At one point, Ruka bolted ahead of our girl-team trio to bound headfirst into a small lagoon filled with a bloated whale carcass. The Editors, Outside, 26 Aug. 2025 See All Example Sentences for headfirst

Word History

First Known Use

1790, in the meaning defined at sense 1

Time Traveler
The first known use of headfirst was in 1790

Browse Nearby Words

Cite this Entry

“Headfirst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headfirst. Accessed 15 Sep. 2025.

Kids Definition

headfirst

adverb
head·​first ˈhed-ˈfərst How to pronounce headfirst (audio)
: with the head foremost
headfirst adjective

More from Merriam-Webster on headfirst

Last Updated: - Updated example sentences
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