Definitions of bomb
  1. noun
    an explosive device fused to explode under specific conditions
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    Guided Bomb Unit-28
    a 5,000 pound laser-guided bomb that can be programmed to penetrate to a given depth before exploding; used to penetrate hardened underground facilities
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    A-bomb, atom bomb, atomic bomb, fission bomb, plutonium bomb
    a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
    Fugo, balloon bomb
    a bomb carried by a balloon
    bomblet, cluster bomblet
    one of the smaller bombs that are released from a cluster bomb
    an explosive bomb or artillery shell
    briefcase bomb
    a bomb consisting of an explosive and timer hidden inside a briefcase
    car bomb
    a bomb placed in a car and wired to explode when the ignition is started or by remote control or by a timing device
    chemical bomb, gas bomb
    a bomb laden with chemical agents that are released when the bomb explodes
    cluster bomb
    bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area
    cruise missile
    an unmanned aircraft that is a self-contained bomb
    depth bomb, depth charge
    a bomb that explodes at a preset depth under water; antisubmarine device
    dumb bomb, gravity bomb
    a bomb that falls because of gravity and is not guided to a target
    anti-personnel bomb, antipersonnel bomb, daisy cutter, fragmentation bomb
    a bomb with only 10 to 20 per cent explosive and the remainder consisting of casings designed to break into many small high-velocity fragments; most effective against troops and vehicles
    gas shell
    (military) bomb consisting of an explosive projectile filled with a toxic gas that is released when the bomb explodes
    GP bomb, general-purpose bomb
    a large bomb (500 to 2,000 pounds that is 50% explosive) whose explosion creates a blast and whose metal casing creates some fragmentation effect
    a small explosive bomb thrown by hand or fired from a missile
    H-bomb, fusion bomb, hydrogen bomb, thermonuclear bomb
    a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
    firebomb, incendiary, incendiary bomb
    a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)
    letter bomb, package bomb, parcel bomb
    a thin explosive device inside an envelope or package and detonated when opened
    megaton bomb
    a nuclear weapon with an explosive power equivalent to one million tons of TNT
    E-bomb, microwave bomb
    a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings
    penetration bomb
    a bomb with about 30% explosive and a casing designed to penetrate hardened targets before the explosive detonates
    pipe bomb
    a small homemade bomb usually contained in a metal pipe
    plastic bomb
    a bomb made of plastic explosive
    remote-control bomb
    a bomb that can be detonated by remote control
    smart bomb
    a bomb that can be guided (by a laser beam or radio) to its target
    smoke bomb, smoke grenade
    a bomb that gives off thick smoke when it explodes; used to make a smoke screen or to mark a position
    stench bomb, stink bomb
    a small bomb designed to give off a foul odor when it explodes
    aerosol bomb, fuel-air bomb, thermobaric bomb, vacuum bomb, volume-detonation bomb
    a bomb that uses a fuel-air explosive
    infernal machine, time bomb
    a bomb that has a detonating mechanism that can be set to go off at a particular time
    BLU-82, Big Blue
    a reliable and deadly 15,000-pound fragmentation bomb that explodes just above ground with a large radius; the largest conventional bomb in existence; used in Afghanistan
    a large bomb used to demolish extensive areas (as a city block)
    an unexploded bomblet
    clean bomb
    an atom bomb leaving little or no radioactive contamination
    dirty bomb
    an atom bomb that leaves considerable radioactive contamination
    hand grenade
    a grenade designed to be thrown by hand
    LGB, laser-guided bomb
    a smart bomb that seeks the laser light reflected off of the target and uses it to correct its descent
    neutron bomb
    atom bomb that produces lethal neutrons with less blast
    rifle grenade
    a grenade that is thrown from a launching device attached to the barrel of a rifle
    type of:
    explosive device
    device that bursts with sudden violence from internal energy
    arms, implements of war, munition, weaponry, weapons system
    weapons considered collectively
  2. verb
    throw bombs at or attack with bombs
    “The Americans bombed Dresden”
    synonyms: bombard
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    carpet bomb
    bomb a large area systematically and extensively
    bomb out
    make somebody homeless by destroying their houses with bombs
    bomb from a diving airplane
    bomb by gliding
    attack with delayed release bombs
    atom-bomb, nuke
    bomb with atomic weapons
    attack with a hydrogen bomb
    bomb in certain patterns
    atomise, atomize, nuke, zap
    strike at with firepower or bombs
    letter bomb
    send an explosive to
    attack with incendiary bombs
    blast, shell
    use explosives on
    bombard with heavy shells
    type of:
    assail, attack
    launch an attack or assault on; begin hostilities or start warfare with
  3. noun
    an event that fails badly or is totally ineffectual
    synonyms: dud, turkey
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    type of:
    bust, fizzle, flop
    a complete failure
  4. verb
    fail to get a passing grade
    synonyms: fail, flunk, flush it
    fall short in what is expected
    judge unacceptable
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    make it, pass
    go successfully through a test or a selection process
  5. noun
    strong sealed vessel for measuring heat of combustion
    synonyms: bomb calorimeter
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    type of:
    a measuring instrument that determines quantities of heat
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