prodigious

この「途方もない」の prodigious は、単なる物理的な「巨大な」から少し離れ、量・才能・成果などが普通の範囲を超えていて驚かされる、という評価を表す語として覚える。a prodigious memory, prodigious talent, prodigious output のように、目に見えるサイズよりも能力や結果の大きさに付くと考えるとよい。prestigious「名声ある」と形が似るが、prodigious は「並外れて大きい・すごい」という方向。

Connect it with "prodigy," a person with unusual ability. Both words share the idea of something far beyond normal, in a way that makes people notice. It often appears in phrases like "a prodigious memory" or "prodigious output," and it is not the same as "prestigious."

prodigious は huge や enormous に近いが、単に big というより「見て驚くほど大きい」という堅めの語。giant/gigantic は日常的に物の大きさを言いやすい一方、prodigious は prodigious size, bulk, dimensions のように、規模が普通を超えている印象を添える。別エントリの「途方もない」は抽象的な量や能力にも広がるので、ここではまず目に見える巨大さに結びつける。

Think of prodigious as a more formal word than huge or enormous. It often appears in phrases like prodigious size, prodigious bulk, or prodigious dimensions, where the point is that something is strikingly larger than normal. Giant and gigantic are easier for everyday speech, but prodigious adds the feeling of impressive, almost surprising scale.

prodigious は huge や enormous の上に、「その大きさ・量・能力が普通ではなく、見て驚く」という響きが乗る語。単なる big では足りない場面で使うと覚える。prodigy（神童）を知っていれば、どちらも『並外れたもの』という核でつながる。a prodigious memory, appetite, amount, output のように、記憶力・食欲・量・成果にもよく付く。prestigious と見た目が似るが、あちらは『名声ある』で別物。

Think of prodigious as stronger than huge or enormous because it adds the feeling of surprise and admiration. It is useful when something is not just big, but unusually impressive. If you know prodigy, you can connect both words through the core idea of something extraordinary. Be careful not to confuse it with prestigious, which means famous and respected.