caliberEnglish → SpanishOxford English–Spanishcaliber, (British) calibre /AmE ˈkæləbər , BrE ˈkalɪbə / noun 1 [countable]: (diameter) calibre m (before noun): a 44-caliber bullet una bala de calibre 442 [uncountable]: (quality, ability) calibre m a writer of his caliber un escritor de su calibre