fireball (n.)

  1. an especially luminous meteor (sometimes exploding)

    [ Syn: bolide ]

  2. a highly energetic and indefatigable person

    [ Syn: powerhouse , human dynamo , ball of fire ]

  3. a ball of fire (such as the sun or a ball-shaped discharge of lightning)

  4. the luminous center of a nuclear explosion

The dictionary is based on the WordNet Electronic Lexical Database.
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