undeclare

U1N1D2E1C3L1A1R1E1

verb

To reverse the process of declaring; to unsay.

Scrabble 12
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Meanings

verbundeclare (third-person singular simple present undeclares, present participle undeclaring, simple past and past participle undeclared)

present singular third person undeclares · participle present undeclaring · participle past undeclared · past undeclared

  1. transitiveTo reverse the process of declaring; to unsay.

    The Constitution gives Congress the power to declare war; but does that include the power to undeclare it?

    2007 February 4, Noah Feldman, “Whose War Powers?”, in New York Times
  2. transitivecomputingTo revoke the declaration of (a variable, namespace, etc.) so that it is no longer available.

Origin

From un- + declare.

Full word history & related roots →

Rhymes & wordplay

Anagrams

uncleared
Cite this entry
APA

undeclare. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/undeclare

MLA

“undeclare.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undeclare. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “undeclare,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/undeclare.

Source: undeclare on Wiktionary, CC BY-SA 4.0.