undoer

U1N1D2O1E1R1

A form of undo — To reverse the effects of an action.

Similar
openerunfasteneruntierdestroyerruinerwasteruprooter
OriginMiddle English undoer →
Scrabble 7
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Meanings

nounundoer (plural undoers)

plural undoers

  1. agentAgent noun of undo; one who undoes.

Synonyms & antonyms

nouna person who unfastens or unwraps or opens

Similar
openerunfasteneruntier
Broader
actordoerworker

nouna person who destroys or ruins or lays waste to

Similar
destroyerruinerwasteruprooter
Broader
bad person
Also see
destroyeropenerruinerunfasteneruntieruprooterwaster

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Middle Englishundoer
  2. Englishundoer

From Middle English undoer, ondoare, equivalent to undo + -er.

More words from Middle English

Full word history & related roots →

Translations

French défaiseur
  • défaiseurAgent noun of undo

Rhymes & wordplay

Anagrams

enduro
Cite this entry
APA

undoer. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/undoer

MLA

“undoer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undoer. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “undoer,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/undoer.

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