boom

boom · noun

imported

Definitions

noun

  1. 1.

    To make a loud, deep sound.

  2. 2.

    A loud, deep, resonant sound.

  3. 3.

    To experience rapid growth or success.

  4. 4.

    A period of rapid economic growth, prosperity, or high demand.

  5. 5.

    Used to represent a loud sound or sudden impact.

  6. 6.

    A long pole or beam used to extend or support something.

  7. 7.

    A movable arm that holds a microphone or camera.

  8. 8.

    A floating barrier used to contain oil spills or debris.

Forms

plural: booms

Phrases & expressions

  • •
    boom and bust — a cycle of economic expansion and contraction
  • •
    boom box — a portable radio with powerful speakers
  • •
    baby boom — a significant increase in birth rate
  • •
    lower the boom — to take severe action

Related words

Antonyms: bust, decline, slump
See also: booming, explosion, surge
Synonyms: explosion, roar, surge

Etymology

The sound sense is onomatopoeic. The equipment sense comes from Dutch boom ("tree, pole, beam").