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.
Season one dives headfirst into the age-old romantic trope of fake dating with music student Hannah Wells, who, in true hockey fashion, is often called Wellsy by her love interest, Garrett Graham. Nicole Fell, HollywoodReporter, 22 May 2026 While some were embracing the technology headfirst, others say the rollout has been slower. Beatrice Nolan, Fortune, 21 May 2026 The oddball situation would be clearer if the AI completely dove headfirst into the sleep topic and refused to budge from it. Lance Eliot, Forbes.com, 18 May 2026 No sooner are Lucila and her brother Diego (Sergio Bautista) tearfully abandoned by their mother as children than the Spanish setting takes the wheel, thrusting us quickly and headfirst into Lucila’s young adult life nearly a decade later, without even half a second’s worth of reflection. Siddhant Adlakha, Variety, 14 May 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

Browse Nearby Words

Cite this Entry

“Headfirst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headfirst. Accessed 30 May. 2026.

Kids Definition

headfirst

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

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