shattershat‧ter /ˈʃæt̮ɚ/ ●●○ verb 1 [intransitive, transitive] to break suddenly into very small pieces, or to make something do this: My cup fell to the floor and shattered.THESAURUSbreak, smash► see thesaurus at break12[transitive] to completely destroy someone’s hopes, beliefs, or confidence: A knee injury shattered his hopes of becoming a baseball player.