Big without meaning, or high-sounding; bombastic, inflated; magniloquent.

A bomb or artillery shell designed to explode on impact. / (figuratively) Something that is very surprising, shocking, amazing or sensational.

(informal, often capitalized) The atomic bomb; the capability to launch a nuclear attack. / (slang) A success; something excellent.

An automobile laden with a large amount of explosives, and used as a bomb primarily in order to cause external damage.

(aviation, military) A military aircraft designed to carry and drop bombs. / A person who sets bombs, especially as an act of terrorism. / (clothing) Ellipsis of bomber jacket..

(climbing, slang) Completely solid and secure, usually referring to some form of protective gear.

(slang) A hydrogen bomb.

A thermonuclear bomb that derives its destructive power from the fusion of isotopes of hydrogen (deuterium and tritium).

(military aviation) A military aircraft designed to operate in combined roles of attacking enemy aircraft and bombing targets; usually faster and more maneuverable than a traditional bomber.

(of a person, their language or writing) showy in speech and given to using flowery or elaborate terms; grandiloquent; pompous / High-sounding but with little meaning. / (archaic) Inflated, overfilled.