1 [C] a small device containing powder that burns or explodes and produces bright coloured lights and loud noises, used especially at celebrations: (BrE) to let off a few fireworks * (AmE) to set off a few fireworks * a firework(s) display * The firework spluttered and went out.
2 (fireworks) [pl.] a display of fireworks:
When do the fireworks start?
3 (fireworks) [pl.] (informal) strong or angry words; exciting actions:
There'll be fireworks when he finds out!
