Meaning of headfirst

head•first

Pronunciation: (hed'fûrst'), [key]
— adv.
  1. with the head in front or bent forward; headforemost: He dived headfirst into the sea.
  2. rashly; precipitately.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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