増ぞう減げん

ぞ

う

げ

ん

Common wordJLPTN2Freq.FrequencyTop 20,000

増減する · noun or participle which takes 'suru'

Meanings

increase and decrease; fluctuation

Refers to the rise and fall of a quantity, number, or level. Can be used as a noun or with する to mean 'to increase or decrease' or 'to fluctuate'.

〈数かず〉が増ぞう減げんするfor a number/quantity to fluctuate (increase or decrease)
人じん口こうが緩ゆるやかに増ぞう減げんしている。
The population is gradually fluctuating.
〈数かず〉の増ぞう減げんthe fluctuation (rise and fall) of a number/quantity
気き温おんの増ぞう減げんに注ちゅう意いしてください。
Please pay attention to the fluctuation in temperature.
増ぞう減げんを繰くり返かえすto repeatedly increase and decrease
売うり上あげは季き節せつによって増ぞう減げんを繰くり返かえす。
Sales repeatedly rise and fall depending on the season.

変へん動どうN2
変動 emphasizes change or instability in general, while 増減 specifically focuses on the pattern of a quantity rising and falling.
上じょう下げN2
上下 is more concrete, often describing physical up-and-down movement or simple numerical change, whereas 増減 is more abstract and quantitative.
出で入いりN2
増減 refers to purely numerical increase and decrease, while 出入り carries a broader financial or physical in-and-out nuance.

増ぞう加かN3
増加 means only 'increase,' while 増減 covers both the increase and the decrease of a quantity.
減げん少しょうN2
減少 means only 'decrease,' while 増減 covers both the increase and the decrease of a quantity.

Compound of 増 (increase) and 減 (decrease).