frustrated
いらいらした
解説 Definition
物事が思い通りに進まなかったり、待たされたりして、落ち着かず腹立たしく感じる状態を表します。人の感情に使い、遅れ・失敗・機械の不調など、原因を with, by, at で続けることがよくあります。
Frustrated describes how a person feels when things do not go as planned, when progress is blocked, or when they have to wait too long. It is used for emotions caused by delays, repeated failure, or problems such as a machine not working properly. It often appears with with, by, or at to show the cause of the feeling.
覚え方のコツ Memory Tip
frustrated は frustrate（妨げる、思い通りにさせない）から来た感情形容詞です。-ed 形なので「何かにそうさせられている気分」と考えると覚えやすいです。angry は怒りそのものが強く、frustrated は待たされる、失敗が続く、操作がうまくいかないなど、前に進めないせいでいらいらする感じです。be frustrated with 人・物、by 状況、at 結果の形でよく使います。
Remember that frustrated comes from frustrate, meaning to block or stop someone from getting the result they want. Because it is an -ed adjective, it helps to think of it as the feeling you get when something makes you stuck or unsuccessful. Angry is stronger and more direct, but frustrated often means you are irritated because of delays, repeated mistakes, or things not working properly. You often hear be frustrated with a person or thing, by a situation, or at a result.
例文
I felt frustrated with the slow internet connection.
遅いインターネット接続にいらいらした。
She looked frustrated by all the delays at the airport.
彼女は空港での度重なる遅れにいらいらした様子だった。
He was frustrated at himself for making the same mistake again.
彼は同じ間違いをまたした自分にいらいらしていた。
不満を感じた
(意味 2)解説 Definition
何かに対して不満や失望を感じている状態。自分の期待や希望が満たされていない心理状態。
Frustrated means feeling upset or annoyed because something is difficult, unfair, or not going the way you want. It is commonly used for problems, delays, or repeated failure. The feeling is often stronger than simple disappointment.
覚え方のコツ Memory Tip
frustrated は frustrate「思い通りに進めなくする」から来た形容詞で、-ed が人の感じている状態を表します。「不満を感じた」と覚える時は、期待・要望・扱いが満たされず、納得できない気持ちに注目しましょう。frustrated with the service, frustrated by the delay のように with や by で原因を続ける形がよく出ます。disappointed が悪い結果への落胆なら、frustrated は妨げられた不満です。
Learn the family together: `frustrate`, `frustration`, and `frustrated`. The `-ed` ending often describes how a person feels, so `frustrated` is the feeling after something blocks or disappoints you. Use it with `with` or `by`, as in `frustrated with the service` or `frustrated by the delay`.
例文
He felt frustrated because his plan didn't work.
彼の計画が失敗したので、彼は不満を感じた。
She was frustrated with the slow progress of the project.
彼女はプロジェクトの遅い進行に不満を感じていた。
Many employees felt frustrated by the lack of recognition.
多くの従業員は評価が不足していることに不満を感じていた。
阻止された
(意味 3)解説 Definition
感情の「不満を感じた」ではなく、計画・試み・期待などが外的な事情によって思うように進まず、実現を妨げられた状態を表す。人よりも計画や試みにかかることが多く、努力や意図が途中で阻まれ、達成できなかったという含みが強い。
This verb means to supply more than is needed, often because of bad demand forecasts or continued overproduction. It fits contexts such as crops, housing, or labor markets where too much is sent into a market or to a receiver. The result is often surplus stock, falling prices, or a lack of places to absorb it.
覚え方のコツ Memory Tip
まず frustrate（挫折させる）と frustration（欲求不満）をセットで覚えると、frustrated は『そうさせられた側の気分』だと整理しやすいです。語尾 -ed は感情形容詞で、『自分がイラッとさせられている状態』を表します。単なる angry より、思い通りに進まない・邪魔される・結果が出ないもどかしさが中心。be frustrated with 人 / by 状況 / at 物事 がよく出ます。disappointed は期待外れ、frustrated は“進めない不満”と分けると記憶に残ります。
Keep the focus on the supplier's action. `Over-` plus `supply` gives the idea of pushing in more than the market or customer can take. Picture a factory shipping too many goods, a city building too many homes, or a school producing too many specialists in one field.
例文
Their escape plan was frustrated by the police.
彼らの脱出計画は警察に阻止された。
His attempt to expand the business was frustrated by new regulations.
事業を拡大しようとする彼の試みは新しい規制で阻止された。
After several frustrated attempts to reach the summit, they turned back.
頂上に達しようとする試みが何度も阻まれたため、彼らは引き返した。
frustrated の語源・成り立ち Etymology
ラテン語 frustra（無駄に）から frustrare（失望させる、妨げる）へ発展。努力が空回りする感覚から、思い通りにいかずいら立つ意味になりました。
Frustrated comes from frustrate, which goes back to the Latin word frustra, meaning "in vain" or "for nothing." It developed through Latin frustrare, meaning to disappoint or block someone. The idea is that your effort does not lead anywhere, so you feel annoyed and unable to move forward.
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