Diminish به انگلیسی
From Longman Dictionary
di‧min‧ish /dəˈmɪnɪʃ/ ●●○ verb
to become or make something become smaller or less
کوچک یا کمتر شدن چیزی
to deliberately make someone or something appear less important or valuable than they really are
اینکه عمداً کسی یا چیزی را کمتر از آنچه واقعاً هستند مهم یا با ارزش جلوه دهند
Example
The party’s share of the electorate has diminished steadily
Don’t let him diminish your achievements
Then business diminished, and the partners persuaded Stratford to live off his Prescott estate in Gloucestershire
One was the idea of diminishing returns, applied in this case to income or wealth
Steady rates would diminish the risk that ever-more homeowners will refinance the mortgages underlying the bonds