Head"strong` (-strŏng`; 115), a.
1. Not easily restrained; ungovernable;
obstinate; stubborn.
Now let the headstrong boy my will
control.
Dryden.
2. Directed by ungovernable will, or
proceeding from obstinacy; as, a headstrong course.
Dryden.
Syn. -- Violent; obstinate; ungovernable; untractable;
stubborn; unruly; venturesome; heady.