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.
That thrust me headfirst into the professionalism aspect of it. Essence, 1 Aug. 2025 Her first attempt at a novel, inspired by an intriguing cat statue called the Baron owned by her crush's grandfather, makes for a balanced blend between fantasy and reality (whereas the film's eventual spinoff, The Cat Returns, dives headfirst into absurd fantasy territory). Devan Coggan, EW.com, 1 Aug. 2025 But Merrill never slowed and slid in headfirst ahead of a relay throw from shortstop Otto Lopez that bounced past Ramírez, the Marlins’ catcher. Kevin Acee, San Diego Union-Tribune, 22 July 2025 Sadly, Reeve died in October of 2004 at age 52, nine years after he was paralyzed from the neck down after he was thrown headfirst from a horse during an equestrian competition. Tim Lammers, Forbes.com, 9 July 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 8 Aug. 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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