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

Diving headfirst back into a pop-focused sound, Gaga brings in a new suite of production collaborators — including Andrew Watt, Cirkut and her fiancé Michael Polansky — to reconfigure her signature sound into a modern context. —Stephen Daw, Billboard, 7 Mar. 2025

Schumacher, an eight-time Top Fuel champion with 88 career wins, isn’t diving headfirst into a full season just yet. —Greg Engle, Forbes, 5 Mar. 2025

Plunging headfirst into a pool of information, Galon eagerly sought out all aspects of his heritage. —Sergy Odiduro, Miami Herald, 4 Feb. 2025

On End of the Middle, his eighth studio LP as a solo artist, the English musician dives headfirst into rich allegories and fascinating protagonists across nine lingering songs. —Madison Bloom, Pitchfork, 14 Feb. 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