increasing
増加する
解説 Definition
increasing は increase（増える、増やす）の現在分詞で、形容詞としては増加する、増えつつあるという意味です。数・量・程度がだんだん大きくなる状況に使います。
Increasing describes something whose number, amount, intensity, or degree is becoming greater over time. As an adjective, it commonly appears before nouns such as cost, demand, interest, pressure, or traffic to indicate a continuing upward change.
覚え方のコツ Memory Tip
increasing は原形 increase に -ing を付けた形で、語末の e を落として increase → increasing となる。発音では動詞 increase の後半に強勢を置き、/ɪnˈkriːsɪŋ/。形容詞では increasing cost、increasing interest のように名詞の前で「しだいに増える」と覚える。
Start with the verb increase and form increasing by dropping its final silent e before adding -ing: increase becomes increasing. In pronunciation, keep the verb’s stress on the second syllable: /ɪnˈkriːsɪŋ/. As an adjective, it usually modifies a noun and presents growth as an ongoing trend. Remember practical combinations such as increasing costs, increasing interest, increasing demand, and increasing traffic. Unlike high, which describes a level, increasing says that the level is moving upward over time, even if it is not yet especially high.
例文
The increasing cost is a problem.
増加する費用が問題です。
We saw increasing interest in the class.
その授業への関心が高まっているのが見られました。
The city has increasing traffic every year.
その都市では毎年交通量が増加しています。
increasing の類義語・関連語
紛らわしい語
increasing の語源・成り立ち Etymology
increasing は increase からできた語で、語源はラテン語 increscere「その上に成長する」にさかのぼり、in-「中へ・上へ」＋ crescere「成長する」に分けられます。crescent や crescendo も同根で、中心には「ふくらみながら大きくなる」というイメージがあります。
Increasing is built from increase and the suffix -ing, with the final e removed. Increase ultimately comes from Latin increscere, “to grow upon or grow greater,” formed from in- and crescere, “to grow.” It entered English through French. Crescent and crescendo come from the same Latin growth family, helping preserve the central image of something expanding or becoming greater over time.
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