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headfirst

[ hed-furst ]
/ ˈhɛdˈfɜrst /
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adverb
with the head in front or bent forward; headforemost: He dived headfirst into the sea.
rashly; precipitately.
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Origin of headfirst

First recorded in 1820–30; head + first
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use headfirst in a sentence

British Dictionary definitions for headfirst

headfirst
/ (ˈhɛdˈfɜːst) /

adjective, adverb
with the head foremost; headlonghe fell headfirst
adverb
rashly or carelessly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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