subcaliber

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adjective

Smaller than the caliber of a firearm.

“subcaliber gun”

Scrabble 16
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Meanings

adjectivesubcaliber (not comparable)

alternative subcalibre

  1. not comparableSmaller than the caliber of a firearm.

    subcaliber gun

    3 more examples

    subcaliber cartridge

    subcaliber practice

    The M9101 on the Longsword fires subcaliber projectiles at such speeds that they would immediately begin to burn up from air friction when fired within an atmosphere.

    2017 September 5, Kenneth Peters, Halo: Warfleet – An Illustrated Guide to the Spacecraft of Halo, Bloomsbury, →ISBN, →OCLC, page 17

Origin

From sub- + caliber.

Full word history & related roots →
Cite this entry
APA

subcaliber. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/subcaliber

MLA

“subcaliber.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subcaliber. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “subcaliber,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/subcaliber.

Source: subcaliber on Wiktionary, CC BY-SA 4.0.