Dictionary

headfirst

adverb head·first \ˈhed-ˈfərst\

: with the head leading

: without taking time to think about your actions

Full Definition of HEADFIRST

1
:  with the head foremost <dove headfirst into the waves>
2
:  headlong 2
headfirst adjective

Examples of HEADFIRST

  1. She dove into the water headfirst.
  2. She rushed into the relationship headfirst.

First Known Use of HEADFIRST

circa 1828

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