The act or process of decreasing: abatement, curtailment, cut, cutback, decrease, decrement, diminution, drain, reduction, slash, slowdown, taper.

What does diminishment mean?

1 the act of making a person or a thing seem little or unimportant. she grew increasingly resentful of her coworker's constant diminishment of her new project ideas.

Is under prioritize a word?

To assign too low a priority to.