adjective
-
with the head foremost; headlong
he fell headfirst
adverb
-
rashly or carelessly
Etymology
Origin of headfirst
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Weston said that anyone who fancies "throwing themselves headfirst down a mountain" should take the opportunity.
From BBC • Feb. 16, 2026
It begins: “And after all the weather was ideal,” plunging the reader headfirst into the collision between preparations for a party and funeral preparations for a young man killed in an accident.
From The Wall Street Journal • Jan. 30, 2026
And in the chain of events her departure causes, Anderson dives headfirst into the film’s more intimate elements, presenting a soulful and darkly humorous counterpart to the film’s cold, violent first act.
From Salon • Sep. 28, 2025
Recounting the terrifying moments, Ms Padhiyar told the Indian Express newspaper that she was sitting in the back when the car fell into the river headfirst.
From BBC • Jul. 10, 2025
Big Jerome hollered and tumbled headfirst into the pool, taking at leastthree younger kids with him.
From "Shadowshaper" by Daniel José Older
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.