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Synonyms

headfirst

American  
[hed-furst] / ˈhɛdˈfɜrst /

adverb

  1. with the head heads in front or bent forward; headforemost.

    He dived headfirst into the sea.

  2. rashly; precipitately.


headfirst British  
/ ˈhɛdˈfɜːst /

adjective

  1. with the head foremost; headlong

    he fell headfirst

"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

adverb

  1. 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

Etymology

Origin of headfirst

First recorded in 1820–30; head + first

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.

As he reached the frozen shore, he lunged forward headfirst, his belly making slippery contact with the flat, smooth ice.

From Literature

He has, however, run headfirst into significant obstacles, both from the public and key institutions that have curtailed his ambitions.

From BBC

Weston said that anyone who fancies "throwing themselves headfirst down a mountain" should take the opportunity.

From BBC

“No, thank you,” I said, without even looking at her, because I would not dress myself up just so I could be dropped, headfirst, into the Sacrificial Pit of Never-Ending Agony.

From Literature

Chase dove headfirst over the bank and rolled, stopping just before he hit the water.

From Literature