As a Verb or Adjective: 1. To make something less enjoyable, attractive, valuable, useful or interesting than it would otherwise have been. English = spoil, damage, ruin. 2. Of food, to no longer be good enough to eat. English = spoil. 3. Of a child, to give them everything they want or ask for. By doing this, you make their behaviour and character worse than they would otherwise have been. English = spoil.