1. With the head foremost
   "a headfirst plunge down the stairs"
   - headlong

1. With the head foremost
   - headlong

See also: forward

Encyclopedia: Headfirst

• supplying
• support
• support column
• support group
• support hose
• support level
• support payment
• support stocking
• support system
• supportable
• supported
• supporter
• Supporters of Islam
• supporting
• supporting fire
• supporting players
• supporting structure
• supporting tower
• supportive
• supposable
• supposal
• suppose
• supposed
• supposedly
• supposition