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.
The Auckland Rescue Helicopter Trust told RNZ that Watson was buried headfirst and was trapped for about 15 minutes. Charlotte Phillipp, People.com, 25 Aug. 2025 The first units that arrived found the man wedged headfirst in the middle portion of the slide. Angelica Stabile, FOXNews.com, 20 Aug. 2025 The pair dove into the idea headfirst, testing different products and figuring out cook times and other factors. Lennie Omalza, The Courier-Journal, 19 Aug. 2025 But, for now, Ramsey has been taking a bit of a breather from Ellie before diving headfirst back into the emotionally fraught character. Katie Campione, Deadline, 19 Aug. 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 28 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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