The phrase "dove headfirst" is correct and usable in written English.
It can be used to describe someone who is taking a risk or engaging in an activity with enthusiasm and without hesitation.
Example: "She dove headfirst into the project, eager to make a significant impact."
Alternatives: "jumped in without hesitation" or "plunged in eagerly."
Captivated by the problem in her senior year, Field dove headfirst into her research.
But Green dove headfirst, missing the ball by several feet, and it bounced past him.
When she was laid off from Tasting Table last fall, Bertha Chen, 26, dove headfirst into networking, interviewing and freelancing.
Or you could read the reëmbrace of practical tools as the freedom from restraint: the director dove headfirst into the computer and ultimately found it as limiting as the tools of the eighties.
But along came the eighth, when Brett Gardner dove headfirst into first base to beat out a grounder, igniting a five-run inning of mass destruction on the Rangers and a sellout crowd that included former President George W. Bush.
Fairfax County police say a foot pursuit on Tuesday near Ox Road and Marlborough Drive, south of George Mason University, ended when a man dove headfirst into a trash can.
Doug Weight of St . Louisdove headfirst on the ice, extended his stick and pushed a perfect lead pass to Tony Amonte of Chicago, who fired in a left-handed shot.
From there, McCloughan dove headfirst into pre-draft evaluations, because the draft, as he puts it, is "the lifeline of your organization". Sure, the team would make signings in free agency, but McCloughan wouldn't chase the biggest names or hand out blockbuster deals.
ViewSonic dove headfirst into the ultraportable notebook game yesterday, with the announcement of the "ViewBook" line of 12-, 13-, and 14-inch low voltage machines.
But back in the late 90s, I was working for a cable TV company that dove headfirst into the cable internet service business and was dipping its toe in the internet phone industry.
