前ぜん月げつぜんげつFreq.FrequencyTop 50,000Meanings1nounlast month; previous monthRefers to the month immediately before the current one, often used in business or formal contexts.前ぜん月げつの売うり上あげは好こう調ちょうでした。Last month's sales were strong.前ぜん月げつ比ひで10%増ぞう加かした。It increased by 10% compared to the previous month.