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.
Midfielder Asamoah, 31, collided headfirst with an LED advertising panel after being shoved by opponent Zhang Zhixiong, who was given a yellow card, according to the BBC. Becca Longmire, PEOPLE, 10 Oct. 2025 The highlight was when the 27-year-old scored from first on Austin Wells’ go-ahead hit in the bottom of the eighth, sprinting around the bases at incredible speed before diving headfirst to beat the throw at home plate. Ben Church, CNN Money, 2 Oct. 2025 The two jumped headfirst into Corvette culture, joining their local club, Circle City Corvettes out of Alabama, becoming members of the National Corvette Museum in 1998 and attending every race within driving distance of their home. Jackie Charniga, USA Today, 21 Sep. 2025 The Ringed Kingfisher perches up to 30 feet above the surface, watching for medium-size fish and then plunging in headfirst with a mighty splash. Cecilia Rodriguez, Forbes.com, 18 Sep. 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 29 Oct. 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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