headfirst

went headfirst down the stairs.

She jumped headfirst into the pool.

He dove headfirst into the project without hesitation.

The reckless driver crashed headfirst into the wall.

He tackled the challenge headfirst.

She plunged headfirst into her new job.

The athlete dived headfirst over the finish line.

The adventurous explorer went headfirst into the unknown territory.

He fell headfirst down the stairs.

She charged headfirst into the crowd to rescue her friend.

The curious child leaned headfirst into the petting zoo enclosure.