Definitions

1. noun

the size or gauge of a firearm or other cylindrical instrument, or the size or quality of a publication, especially a book.

“The rifle’s calibre was 9mm.”

2. noun

the standard or quality of something, especially a newspaper or magazine.

“The calibre of the local newspaper has decreased over the years.”

3. noun

a person’s or thing’s character or reputation.

“The calibre of the new employee was impressive.”

4. verb

to measure or determine the calibre of something.

“The gunsmith calibred the rifle to ensure accuracy.”