undetected

/ˌʌndɪˈtektɪd/ (bre, ipa) · /ˌʌndɪˈtektɪd/ (ame, ipa) · /ˌən-di-ˈtek-təd -dē-/ (ame, mw)

undetected — adjective

  • undetectedpositive
  • more undetectedcomparative
  • most undetectedsuperlative

1. existing or happening without being seen, noticed, or found out by anyone

1.形容詞B2
釋義

existing or happening without being seen, noticed, or found out by anyone

例句

The virus can remain undetected in the body for years before symptoms appear.

remain undetected (collocation)

Ingrid's typing error went undetected until her boss noticed it in the final report.

go undetected (collocation)

同義詞
  • unnoticed

    more general; applies to anything that escapes attention, not just intentional concealment

  • undiscovered

    suggests something hidden that has not been found or revealed yet

  • unseen

    more literal; refers specifically to things not visually observed

反義詞
  • detected

    direct opposite; means the thing has been noticed or found by someone

  • noticed

    less formal; means perceived by someone, usually through sight or attention

用法筆記

Commonly paired with 'go', 'remain', or 'stay' to describe a state of escaping notice. Often describes problems, errors, illnesses, or intruders that are not caught or discovered. The pattern 'keep + object + undetected' is also used when someone actively tries to avoid detection.

常見錯誤

❌The mistake was undetected by me.
✅The mistake went undetected.
💡'undetected' usually describes a state, not an action performed by a person; prefer 'go/remain undetected' or 'keep something undetected'.