The meaning of CALIBER is degree of mental capacity or moral quality. How to use caliber in a sentence.

CALIBER definition: the diameter of something of circular section, especially that of the inside of a tube. See examples of caliber used in a sentence.

In guns, particularly firearms, but not artillery, where a different definition may apply, caliber (or calibre; sometimes abbreviated as " cal ") is the specified nominal internal diameter of the gun barrel bore – …

CALIBER definition: 1. the quality of someone or something, especially someone's ability: 2. the width of the inside…. Learn more.

Jul 21, 2025 · The most common definition of “caliber,” as it pertains to guns, is about as straightforward as you could want it to be: Caliber simply mean the diameter of the hole in a rifle or pistol...

Caliber is a kind of measurement that can describe either the level of a person’s ability or the diameter of a gun barrel. Your dad might be a high-caliber marksman, especially when using his .22 caliber rifle.

The diameter of the bore of a firearm, usually shown in hundredths or thousandths of an inch and expressed in writing or print in terms of a decimal fraction: .45 caliber.

Definition of caliber noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The caliber of something is its quality, especially when it is good. The caliber of teaching was very high.

Jan 20, 2026 · Noun caliber (countable and uncountable, plural calibers) (US) Diameter of the bore of a firearm, typically measured between opposite lands. The diameter of round or cylindrical body, as of …