Undone

//ʌnˈdʌn// adj, verb

adj, verb ·Common ·High school level

Definitions

Verb
  1. 1
    past participle of undo form-of, participle, past
Adjective
  1. 1
    Not done. not-comparable

    "Even so, it was found necessary to leave certain tasks undone."

  2. 2
    Not fastened. not-comparable

    "Your flies are undone."

  3. 3
    Ruined; brought to nought. not-comparable

    "Woe is me, for I am utterly undone!"

Adjective
  1. 1
    not done wordnet
  2. 2
    thrown into a state of disorganization or incoherence wordnet
  3. 3
    not fastened or tied or secured wordnet
  4. 4
    doomed to extinction wordnet

Synonyms

All synonyms
unfastenedunfinishedunstuckdoomedabandonedadrift

Antonyms

All antonyms
do

Example

More examples

"We have left undone what we ought to have done."

Etymology

Etymology 1

From un- + done.

Etymology 2

From Middle English undon, from Old English ondōn, from Proto-Germanic *andadōnaz, past participle of *andadōną (“to undo”), equivalent to undo + -en (past participle ending). Cognate with Dutch ontdaan (“stripped, undone, upset”).

Related phrases

come undone

More for "undone"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.