headfirst

adverb

head·​first ˈhed-ˈfərst How to pronounce headfirst (audio)
Synonyms of headfirstnext
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.
Florian is a former ski racer who grew up skiing on Mount Southington and skied in college before discovering skeleton, in which racers pilot a sled down an icy chute headfirst. Lori Riley, Hartford Courant, 12 Feb. 2026 The man fell hard enough to pop out of his skis in the steep, icy moguls near the top of the run before sliding headfirst for hundreds of yards, apparently unable to stop himself, according to witnesses who posted on Reddit. Jack Dolan, Los Angeles Times, 6 Feb. 2026 From brushing ice in curling to flying down an ice track headfirst in skeleton, the Winter Olympics are home to some unique and exciting sports that feature uncommon vernacular. Ben Morse, CNN Money, 5 Feb. 2026 Over the course of 100 days, the actor throws himself headfirst into extreme challenges, from skiing to the South Pole to diving beneath the ice at the North Pole. Stephanie Giang-Paunon, FOXNews.com, 22 Jan. 2026 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

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Cite this Entry

“Headfirst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headfirst. Accessed 20 Feb. 2026.

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

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