undeclared

IPA/ˌʌndɪˈkleəd/
KK[əndɪklˈɛrd]IPA/ˌʌndɪˈklerd/

undeclared — adjective

  • undeclaredpositive
  • more undeclaredcomparative
  • most undeclaredsuperlative

1. describes something that has not been made known, officially stated, or formally

1.形容詞B2
釋義

describes something that has not been made known, officially stated, or formally decided — in areas such as finance, politics, or personal relationships, where its status is intentionally kept private or simply not yet determined.

例句

Asher was fined for failing to report thousands in undeclared income on his tax return.

collocation: undeclared income (tax)

The two countries have been fighting an undeclared war along the border for months.

collocation: undeclared war

同義詞
  • unannounced

    used more for events or visits that happen without warning (an unannounced inspection), whereas undeclared emphasises non-disclosure of status

  • undisclosed

    focuses on information deliberately kept secret (undisclosed location); undeclared can also cover situations not yet decided

  • unacknowledged

    implies someone refuses to admit a known fact; undeclared is more neutral about intention

反義詞
  • declared

    the direct opposite — made formally or openly known

  • announced

    specifically about making something known to the public

文法句型

undeclared + noun

be + undeclared

remain/go + undeclared

用法筆記

Frequently appears in financial contexts (undeclared income, assets, earnings), political contexts (undeclared war, candidate), and personal contexts (undeclared feelings, intentions). Can be placed before a noun or after linking verbs such as remain and go.

常見錯誤

❌The war was undeclare by both sides.
✅The war was undeclared on both sides.
💡undeclared is an adjective, not a verb; use the verb declare for actions.