adjective
adverb
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.
He has, however, run headfirst into significant obstacles, both from the public and key institutions that have curtailed his ambitions.
From BBC • Feb. 24, 2026
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
Twila charges in headfirst without concern for the consequences, whether it’s setting a bar on fire to escape the notice of KGB or brazenly approaching Russian sources.
From Los Angeles Times • Jan. 15, 2026
After a week of this, she jumped headfirst into the deep end and had to be rescued by the lifeguard.
From "Little Fires Everywhere" by Celeste Ng
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.
