headfirst
adverb
head·first
ˈhed-ˈfərst 
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
Many entrepreneurs jump headfirst into launching a new venture with little consideration for the foundational structure, and failure to execute simple pre-planning and preparation can cost them and their shareholders millions of dollars down the road.
—
Thomas Burgess, Forbes.com, 15 July 2025
Surveillance video shows the boy walking up to the machine, opening the prize chute, and crawling inside headfirst.
—Jasmine Baehr, FOXNews.com, 11 July 2025
Once the kids are in bed, many of us no doubt dive headfirst into the scrolling sea.
—Beth Ann Mayer, Parents, 30 June 2025
In San Francisco, incumbent third baseman Matt Chapman is out for at least a few weeks after jamming three fingers on his right hand sliding headfirst into a base.
—Barry M. Bloom, Sportico.com, 16 June 2025
See All Example Sentences for headfirst
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Thomas Burgess, Forbes.com, 15 July 2025
Surveillance video shows the boy walking up to the machine, opening the prize chute, and crawling inside headfirst.
—Jasmine Baehr, FOXNews.com, 11 July 2025
Once the kids are in bed, many of us no doubt dive headfirst into the scrolling sea.
—Beth Ann Mayer, Parents, 30 June 2025
In San Francisco, incumbent third baseman Matt Chapman is out for at least a few weeks after jamming three fingers on his right hand sliding headfirst into a base.
—Barry M. Bloom, Sportico.com, 16 June 2025
See All Example Sentences for headfirst
Cite this Entry
“Headfirst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headfirst. Accessed 30 Jul. 2025.
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