1. a projectile, formerly usually spherical, filled with a bursting charge and exploded by means of a fuze, by impact, or otherwise, now generally designed to be dropped from an aircraft.
2. any similar missile or explosive device used as a weapon, to disperse crowds, etc.: a time bomb;a smoke bomb.
3. a rough spherical or ellipsoidal mass of lava, ejected from a volcano and hardened while falling.
4. a weather bomb.
5. aerosol bomb.
6. a long forward pass, especially one to a teammate who scores a touchdown.
7. an absolute failure; fiasco: The play was a bomb and closed after two performances.
8. a catastrophic program failure or system failure.
9. something or someone that is excellent or very impressive: Her boyfriend is the bomb!
10. an overwhelming success: The novel is selling like a bomb.
11. a sudden, unexpected accent or rhythmic figure played by a drummer during a performance.
12. a lead or lead-lined container for transporting and storing radioactive materials.
13. the bomb,
• atomic bomb.
• nuclear weapons collectively.
14. a powerful automobile or other vehicle.
15. something unpleasant that is unexpected or shocking (often used in combination with the first letter of an offensive or unmentionable word, as in f-bomb; s-bomb; n-bomb): He's always dropping f-bombs.Then came the bomb about the staff cuts.
16. something unauthorized or illegal that is executed in a stealthy manner, typically having an overwhelming or sensational effect (used in combination, as in mail bomb; graffiti bomb).

17. to hurl bombs at or drop bombs upon, as from an airplane; bombard: The enemy planes bombed the city.
18. to explode by means of a bomb or explosive.
19. to damage, ruin, defeat, etc., as if with bombs.
20. to deliberately cause (a computer system) to fail with a program written for the purpose.

21. to hurl or drop bombs.
22. to explode a bomb or bombs.
23. to be or make a complete failure, especially to fail to please or gain an audience (sometimes followed by out): His last play bombed on Broadway.The business bombed out with a $25,000 debt.
24. (of a computer program or system) to fail catastrophically.
25. to spray-paint graffiti over many surfaces in an area, working quickly and using simple forms and designs: He made his reputation bombing on the east side of town.
26. to move very quickly: They came bombing through here on their motorcycles at 2 a.m.

• a hollow projectile containing an explosive, incendiary, or other destructive substance, esp one carried by aircraft
• (as modifier)
• (in combination)
2. any container filled with explosive
3. the bomb
• a hydrogen or atomic bomb considered as the ultimate destructive weapon
• something excellent
4. a round or pear-shaped mass of volcanic rock, solidified from molten lava that has been thrown into the air
5. a container for radioactive material, applied therapeutically to any part of the body
6. a large sum of money (esp in the phrase make a bomb)
7. a disastrous failure
8. an old or dilapidated motorcar
9. a very long high pass
10. (in rugby union) another term for up-and-under
11. with great speed or success; very well (esp in the phrase go like a bomb)

12. to attack with or as if with a bomb or bombs; drop bombs (on)
13. to move or drive very quickly
14. to fail disastrously; be a flop

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