invaluable

invaluable — adjective

1. so extremely useful or important that its worth cannot be measured or calculated

1.形容詞C1
釋義

so extremely useful or important that its worth cannot be measured or calculated — for example, the advice of an experienced mentor or the support of a trusted friend during a difficult time.

例句

The guidance that Dr. Aiko Tanaka gave me during my first year as a teacher was absolutely invaluable.

collocation: absolutely invaluable

That old sewing machine proved invaluable when Beatriz started her small clothing business.

collocation: proved invaluable

同義詞
  • priceless

    stronger emotional or sentimental connotation; often used for personal or artistic treasures

  • indispensable

    focuses on necessity rather than degree of worth; something you cannot do without

  • priceless

    can also refer to humor or absurdity (a priceless expression), which invaluable cannot

反義詞

用法筆記

Frequently used with verbs like prove, find, or consider. Because invaluable already expresses an extreme degree, avoid intensifying it with very; absolutely or truly are more natural choices.

常見錯誤

❌I found his help very invaluable.
✅I found his help absolutely invaluable.
💡invaluable already expresses an extreme; pair it with absolutely or truly instead of very.
❌The old furniture was invaluable, so I gave it to the junk collector.
✅The old furniture was valueless, so I gave it to the junk collector.
💡invaluable does not mean not valuable; it means extremely valuable.