Pronunciation: /hedˈfɜrst/
adjective Describing an action or position where the head is foremost
A1 He jumped headfirst into the pool without looking first.
A2 The child ran headfirst into the room, excited to see what was inside.
B1 She made a headfirst decision to quit her job and travel the world.
B2 The athlete dove headfirst into the competition, determined to win.
C1 The CEO made a headfirst move to acquire a rival company, expanding their market share.
C2 The scientist dove headfirst into the research project, eager to make groundbreaking discoveries.
adverb In a manner with the head in front
A1 The child jumped headfirst into the pool.
A2 She fell headfirst down the stairs.
B1 He dove headfirst into the water without hesitation.
B2 The adrenaline junkie decided to go headfirst on the roller coaster.
C1 The detective plunged headfirst into the investigation, determined to solve the case.
C2 The entrepreneur dove headfirst into the new business venture, risking it all for success.
formal The diver entered the water headfirst to execute a perfect dive.
informal I accidentally tripped and fell headfirst into the pool.
slang He jumped off the diving board headfirst like a boss.
figurative She dove headfirst into her new project, eager to make a difference.
went headfirst
go headfirsts
more headfirst
most headfirst
go headfirst
will go headfirst
have gone headfirst
is going headfirst
goes headfirst
headfirst
to go headfirst
going headfirst
gone headfirst