激げき減げん

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Common wordJLPTN1Freq.FrequencyTop 20,000

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

Meanings

dramatic decrease; sharp drop; plummet

Describes a sudden, large reduction in numbers, amounts, or frequency. Often used in news reports and formal writing.

〈数かず〉が激げき減げんするfor a quantity/number to plummet
この地ち域いきの人じん口こうが激げき減げんした。
The population in this area plummeted.
〈場ば所しょ〉で〈物もの〉が激げき減げんするfor something to sharply drop in a particular place
この川かわで魚さかなの数かずが激げき減げんしている。
The number of fish in this river has plummeted.
〈数かず〉割わり激げき減げんするto drop by a certain percentage
売うり上あげが3割わり激げき減げんした。
Sales plummeted by 30 percent.

減げん少しょうN2
減少 describes a general decrease of any size, while 激減 specifically emphasizes a sudden and dramatic drop.
急きゅう減げん
急減 stresses the rapid speed of a decrease, whereas 激減 stresses the shocking severity of the drop.

激げき増ぞうN2
激増 means a dramatic increase, the direct opposite of the dramatic decrease described by 激減.
増ぞう加かN3
増加 is a general increase, contrasting with the sharp decrease meant by 激減.

漸ぜん減げん
激減 describes a sharp, sudden decrease, whereas 漸減 describes a slow, gradual one, so the two are easily confused but opposite in speed.
激げき変へんN1
激減 means a drastic decrease in number or amount, while 激変 refers to a drastic change in state or condition, not necessarily a decrease.

回かいN4
Used only when referring to instances or occurrences of a decrease, not the decrease itself.

Compound of 激 (intense, violent) and 減 (decrease). The combination straightforwardly yields 'dramatic decrease'.