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.
This is ideal for content creators and any serious franchise mode gamers who want to dive headfirst into their leagues. Brian Mazique, Forbes.com, 4 July 2025 This year, ditch the badge envy and dive headfirst into a whirlwind of immersive experiences, where the future is on display and extraterrestrials feel alarmingly close. Ana Gutierrez, Austin American Statesman, 2 July 2025 Students ran out of the building after 2 p.m., some without coats, and jumped headfirst into the sparkling white snow. Madeline Mitchell, The Enquirer, 2 July 2025 The film dives headfirst into the rise and fall of American Apparel, revealing the disturbing culture that thrived behind its hip image. Allison Degrushe Published, EW.com, 2 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

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Cite this Entry

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