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

1. With the head foremost
   - headlong

See also: forward

Encyclopedia: Headfirst

• posthumously
• posthypnotic amnesia
• posthypnotic suggestion
• postiche
• postictal
• postie
• postilion
• postillion
• postindustrial
• posting
• postlude
• postman
• postmark
• postmaster
• postmaster general
• postmature infant
• postmenopausal
• postmeridian
• postmillennial
• postmistress
• postmodern
• postmodernism
• postmodernist
• postmortal
• postmortem