godan verb (-su), transitive verb
Transitive verb meaning to intentionally make something smaller in amount, number, degree, or length. Used with objects like expenses, weight, staff, time, etc.
Antonyms: 増やす
無駄な出費を減らす必要がある。
We need to cut down on unnecessary expenses.
彼は食事の量を減らして体重を落とした。
He reduced his food intake and lost weight.