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.
Since taking over, Pohlad, has jumped headfirst into learning the business of baseball. Betsy Helfand, Twin Cities, 11 Apr. 2026 Sliding headfirst, which was rare at the time, was a Turner specialty. Tyler Kepner, New York Times, 3 Apr. 2026 The pair dove headfirst into a couple of Crunchwrap Supremes and two big cups of electric cyan Baja Blast. Sam Stone, Bon Appetit Magazine, 27 Mar. 2026 During one of those gaps, Crofts recorded his own solo album, 1998’s Today, which dove headfirst into the easy-listening pop and soft jazz that was popular at the time. Nina Corcoran, Pitchfork, 26 Mar. 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.grautoblog.com/dictionary/headfirst. Accessed 25 Apr. 2026.

Kids Definition

headfirst

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

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