Emily Dickinson Lexicon

DE-CREASE', v.i. [L. decresco; de and cresco, to grow; Fr. decroître; It. decrescere; Sp. decrecer; Arm. digrisgi. See Grow.]

To become less; to be diminished gradually, in extent, bulk, quantity, or amount, or in strength, quality, or excellence; as, the days decrease in length from June to December. He must increase, but I must decrease. – John iii.