Focus on the pronunciation of diminish
English definition of “diminish”
/dɪˈmɪnɪʃ/ verb [I or T]
› to reduce or be reduced in size, importance, or value: If consumers start losing confidence, it will diminish demand for household goods. Investors can diversify their holdings in order to diminish risk. Over a period of several years, these securities diminished in value and the corporation went bankrupt.