Question

diminish Our efforts were producing diminishing returns (= we achieved less although we spent more time or money) .

Accepted Answer

verb to become or to make sth become smaller, weaker, etc.

word	diminish
part_of_speech	verb
e.g.	Our efforts were producing diminishing returns (= we achieved less although we spent more time or money) .
explanation	to become or to make sth become smaller, weaker, etc.

Diminish Verb Efforts Producing Diminishing Returns Achieved Spent