A ball of fire, especially one associated with an explosion. / (astronomy) A meteor bright enough to cast shadows. / (figuratively) A feisty, strong-willed person.

(intransitive) To explode in a ball of flame. / (baseball) To pitch the ball very fast. / (transitive, fantasy) To attack with balls of fire.

plural of fireball

present participle of fireball

(baseball) Tending to pitch fastballs

plural of fireballer

(baseball) A pitcher who throws very fast balls.

simple past tense and past participle of fireball