Meaning
To reverse the effects of an action.
Etymology
Origin: Old English
From Middle English undōn, from Old English ondōn, from Proto-West Germanic *andadōn (“to undo”), equivalent to un- + do. Cognate with West Frisian ûndwaan, ûntdwaan (“to undo; rid”), Dutch ontdoen (“to undo”).
Synonyms & Antonyms
NYT Puzzle Appearances
Accepted in 15 recorded puzzles:
- 2026-08-21UDGHNOR
- 2025-12-13UTDRNGO
- 2025-11-03NDXUOEP
- 2025-10-03NCDIMOU
- 2025-02-11OUATHDN
- 2024-12-21UCONEDF
- 2024-11-23ODENQTU
- 2024-11-08OADNRTU
- 2024-10-03ODRIGNU
- 2024-08-18DUGRNHO
- 2024-06-17NCPMODU
- 2024-03-26NARJDOU
+3 earlier appearances in the archive.