A firework being lit.
The definition of a firework is an explosive device that creates noise, lights and smoke for entertainment.
An example of a firework is what people set off on the Fourth of July.
- a. A device consisting of a combination of explosives and combustibles, set off to generate colored lights, smoke, and noise for amusement.b. fireworks A display of such devices.
- fireworks a. An exciting or spectacular display, as of musical virtuosity.b. A display of rage or fierce contention.