headforemost

Her battle flag was flying as she sank headforemost to her grave.

I forget even Miss ——, and dive headforemost into the billows.

She was anything but an Amazon, but he could see her pitching him headforemost into the road for daring the impertinence.

He made another desperate effort to climb the spiral, turned a complete somersault and came down headforemost.

The next instant a nervous shove from behind sent him headforemost into the lake.