big gun

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big gun

noun big guns

  1. A large artillery gun or one of the largest-caliber naval guns (as on a battleship). London, Nov. 1: The big guns opened fire on Paris today at mid-day.

    Similar: great gun

  2. broadly, idiomatic, in plural A person, group, thing, or course of action that is powerful, influential, or particularly effective. This has been a great day for the big guns. This does not refer to Prof. Lummis and the other big guns of the Board of Visitors, for every day is a great one for them.

    Similar: big shot, bigwig, baron, big cheese, big enchilada, big gun, big kahuna, big man, big name, big noise, big wheel, boss

  3. A large surfboard used to ride very large, powerful waves. Special boards are used called "big guns."

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MLA

"big gun." Wiktionary, via Micwyn, micwyn.com/word/big%20gun. Accessed 6 Nov. 2026.

APA

big gun. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/big%20gun

Chicago

"big gun." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/big%20gun.

BibTeX
@misc{big_gun_2026,
  title = {big gun},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/big%20gun},
  urldate = {2026-11-06}
}