下か降こう

か

こ

う

Common wordJLPTN2Freq.FrequencyTop 20,000

下降する · noun or participle which takes 'suru'

Meanings

Used for physical downward movement, as well as abstract declines in numbers, quality, or status. Often appears in news and formal contexts.

〈物もの〉が下か降こうするfor something to descend or decline
気き温おんが急きゅうに下か降こうした。
The temperature suddenly dropped.
下か降こうに転てんじるto turn into a decline
売うり上あげが下か降こうに転てんじた。
Sales turned into a downward trend.
下か降こうを続つづけるto keep declining
株かぶ価かは下か降こうを続つづけている。
Stock prices continue to fall.
下か降こう傾けい向こうにあるto be on a downward trend
出しゅっ生しょう率りつは下か降こう傾けい向こうにある。
The birth rate is on a downward trend.

低てい下かN2
低下 emphasizes a decline in an abstract level such as ability or quality, while 下降 covers both physical descent and abstract decline.
降こう下か
降下 usually describes a physical drop, like a parachute or altitude, whereas 下降 is broader and also used for abstract trends.
下げ落らく
下落 is used specifically for a fall in price or value, while 下降 can describe any kind of downward movement or trend.

上じょう昇しょうN2
上昇 means a rise or increase, the direct opposite of the downward movement or decline described by 下降.

Compound of 下 (down) and 降 (descend). The reading かこう is on'yomi.