ˈkæl.ɪ.bə(ɹ) ˈkæl.ɪ.bɚ ˈkæl.ə.bɚ ˈɡeɪdʒ ˈkwɒlɪti ˈkwɑləti a degree or grade of excellence or worth the quality of students has risen an executive of low caliber diameter of a tube or gun barrel