Verses with the word diminished in the Apocrypha (3 verses):

Sirach 42:21
He hath garnished the excellent works of his wisdom, and he is from everlasting to everlasting: unto him may nothing be added, neither can he be diminished, and he hath no need of any counsellor.

Sirach 48:2
He brought a sore famine upon them, and by his zeal he diminished their number.

Baruch 2:34
And I will bring them again into the land which I promised with an oath unto their fathers, Abraham, Isaac, and Jacob, and they shall be lords of it: and I will increase them, and they shall not be diminished.