headfirst
With the head in front; headlong.
Adjective
- With the head in front; headlong.
Origin
From head + first.
Adverb
- With the head in front; headlong.
Antonyms: feet first
- Rashly; precipitately; without deliberation; hastily.
- Sheffield was not going to stop being Sheffield just because he had dived headfirst into the lusts of the flesh. - 2016, Kerry Greenwood, Murder and Mendelssohn, Sydney: Allen and Unwin, page 245:
- Over the past two years, Silicon Valley’s leaders and investors — many of whom had once forsworn involvement in weapons and war — have plunged headfirst into the military industrial complex. - 2025 August 4, Sheera...