減げんじる

ichidan verb, intransitive verb

decrease; be reduced; abate

Intransitive: something decreases, lessens, or abates on its own. Slightly formal; in casual speech 減る is more common.

• 人じん口こうが減げんじている。

  The population is decreasing.

• 痛いたみが次し第だいに減げんじた。

  The pain gradually abated.

ichidan verb, transitive verb

reduce; lessen; mitigate

Transitive: someone reduces, lessens, or mitigates something. Often used for abstract things like costs, burdens, or risks.

• 経けい費ひを減げんじる努ど力りょくが必ひつ要ようだ。

  Efforts to reduce expenses are necessary.

• リスクを減げんじる方ほう法ほうを考かんがえる。

  Think of ways to mitigate the risk.

ichidan verb, transitive verb

subtract; deduct; take off

Transitive: subtract a number or amount from something. Used in mathematical or financial contexts.

• 収しゅう入にゅうから必ひつ要よう経けい費ひを減げんじる。

  Deduct necessary expenses from the income.

• 10から3を減げんじると7になる。

  Subtracting 3 from 10 gives 7.