headfirst

adverb

head·​first ˈhed-ˈfərst 

1

: with the head foremost

dove headfirst into the waves

2

: headlong sense 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

Wedged headfirst in a narrow crevice 400 feet under the ground, rescuers spent over 24 hours trying to free him. —Mark Travers, Forbes.com, 19 May 2025

Despite the issues with Burgin, Jackson has dived headfirst into being a working mom and found joy on the journey. —Victoria Uwumarogie, Essence, 19 May 2025

Currently the subject of a Kickstarter campaign, the Echo Pro is made by Dutch startup headfirst. —Ben Coxworth may 16, New Atlas, 16 May 2025

She’s happily focused on her career, until another woman in her training cohort, Vanessa Ford, identifies something in Joan that Joan was wholly unaware of—and soon, the two fall headfirst for each other. —The Atlantic, 15 May 2025

Word History

First Known Use

1790, in the meaning defined at sense 1

Rhymes for headfirst

• amerced
• cloudburst
• coerced
• conversed
• disbursed
• dispersed
• immersed
• outburst
• rehearsed
• reversed
• submersed
• sunburst

Kids Definition

headfirst

adverb

head·​first ˈhed-ˈfərst 

: with the head foremost

headfirst adjective