validity

validity — 名詞

1. how well a statement, argument, or theory is supported by facts and reason, so t

1.名詞B2
釋義

可信度

論點或主張有根據且可信的程度

how well a statement, argument, or theory is supported by facts and reason, so that it can be accepted as true or correct

例句

Bao questioned the validity of the study's findings because the sample was too small.

Bao 因為樣本數太少，對這項研究發現的可信度提出了質疑。

validity of + noun phrase (study's findings)

The validity of Hana's argument depends on whether the data she used is accurate.

Hana 論點的可信度，取決於她使用的資料是否準確。

validity as grammatical subject; depends on + whether-clause

同義詞
  • soundness

    more technical, often used in logic and philosophy

  • credibility

    emphasises whether something can be believed rather than whether it is formally logical

  • legitimacy

    carries a stronger sense of being justified or rightful, not just fact-based

反義詞
  • invalidity

    the direct opposite; the state of not being valid

  • unsoundness

    used particularly for arguments or reasoning that are flawed

文法句型

validity of + noun phrase

用法筆記

Frequently used in academic and formal contexts. The verb commonly paired with this sense is question, test, check, or doubt, and the noun phrase following 'of' usually names a claim, theory, finding, or argument.

常見錯誤

❌The lawyer checked the validity contract.
✅The lawyer checked the validity of the contract.
💡'validity' must be followed by 'of' before the noun it refers to.
❌His passport validity is three years.
✅His passport is valid for three years.
💡Use the adjective 'valid' instead of the noun 'validity' when talking about how long something lasts.

2. the legal status of a document, agreement, or decision that makes it effective a

2.名詞B2
釋義

法律效力

文件或協議在法律上有效的狀態

the legal status of a document, agreement, or decision that makes it effective and accepted by law

例句

A judge will decide on the validity of the contract next week.

法官將在下週決定這份合約的法律效力。

decide on the validity of + noun phrase

The validity of a will can be challenged if it was not signed by witnesses.

如果遺囑沒有見證人簽名，其法律效力就可能受到挑戰。

passive: can be challenged; validity of a will

同義詞
  • legality

    focuses on whether something follows the law, not whether it has binding force

  • lawfulness

    broader term that can apply to actions, not just documents

  • force

    as in 'legal force', emphasises binding power rather than formal acceptance

反義詞
  • invalidity

    the state of being not legally effective

  • nullity

    a stronger term meaning something has no legal existence at all

文法句型

validity of + noun phrase

用法筆記

Subject is usually a document, contract, will, visa, permit, or agreement. Common verbs paired with this sense include challenge, check, decide on, review, or lose. This sense does not apply to arguments, theories, or claims.

常見錯誤

❌The contract lost validity.
✅The contract is no longer valid.
💡In everyday English, the adjective 'valid' is more natural than the noun 'validity' after 'lose'.
❌The validity of the passport is expired.
✅The passport has expired.
💡'Validity' is not used with 'expired'; use the verb 'expire' directly.