diminishing
di|min|ish|ing re|turns
[N-UNCOUNT]
In economics, diminishing returns is a situation in which the increase in production, profits, or benefits resulting from something is less than the money or energy that is invested.
[N-UNCOUNT]
In economics, diminishing returns is a situation in which the increase in production, profits, or benefits resulting from something is less than the money or energy that is invested.