undo
See also: -undo
English
Pronunciation
- (US, UK)[1] IPA(key): /ʌnˈduː/
Audio (RP) (file) - Rhymes: -uː
- Homophone: undue (in yod dropping dialects)
Etymology 1
From Middle English undōn, from Old English ondōn, from Proto-Germanic *andadōną (“to undo”), equivalent to un- + do. Cognate with West Frisian ûndwaan, ûntdwaan (“to undo; rid”), Dutch ontdoen (“to undo”).
Verb
undo (third-person singular simple present undoes, present participle undoing, simple past undid, past participle undone) (transitive)
- To reverse the effects of an action.
- Fortunately, we can undo most of the damage to the system by the war.
- 1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358, [Act I, scene ii], page 4:
- Pro. […] it was a torment / To lay vpon the damn'd, which Sycorax / Could not againe vndoe ; it was mine Art, / When I arriu'd, and heard thee, that made gape / The Pyne, and let thee out.
- 2011 October 15, Michael Da Silva, “Wigan 1 - 3 Bolton”, in BBC Sport:
- But Wigan undid their good work by conceding an avoidable second goal deep into first-half injury time.
- 2019 April 6, Quinley, Caleb, “Thailand: Anti-military party leader faces sedition charges”, in Al Jazeera, Doha: Al Jazeera, retrieved 2019-04-06:
- And judging by how well the progressive and youth-favoured party did, many observers suspect this latest round of legal charges are a response to Future Forward's commitment to undo the legacy of military rule and undertake democratic reforms.
- To unfasten.
- Could you undo my buckle for me?
- (figuratively) To impoverish or ruin, as in reputation; to cause the downfall of.
- 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], OCLC 964384981:
- Woe is me, for I am undone!
-
Synonyms
- (reverse effects): cancel, reverse
- (unfasten): unbuckle, unbutton, untie, unzip
Antonyms
- (reverse effects): redo
- (unfasten): do up, button, button up, tie up, zip, zip up,
Translations
to reverse
|
to unfasten
|
Noun
undo (plural undos)
- (computing) An operation that reverses a previous action.
- How many undos does this program support?
Translations
an operation that reverses a previous action
|
Adjective
undo
- Misspelling of undue.
Further reading
undo on Wikipedia.Wikipedia
References
- “undo”, in OED Online
, Oxford, Oxfordshire: Oxford University Press, launched 2000.
Anagrams
- udon
Latin
Etymology
From unda (“a wave”).
Pronunciation
- (Classical) IPA(key): /ˈun.doː/, [ˈʊn̪d̪oː]
- (Ecclesiastical) IPA(key): /ˈun.do/, [ˈun̪d̪o]
Verb
undō (present infinitive undāre, perfect active undāvī, supine undātum); first conjugation
- I rise in waves.
- I overflow with, abound in.
- I wave, undulate.
Conjugation
Conjugation of undō (first conjugation) | |||||||
---|---|---|---|---|---|---|---|
indicative | singular | plural | |||||
first | second | third | first | second | third | ||
active | present | undō | undās | undat | undāmus | undātis | undant |
imperfect | undābam | undābās | undābat | undābāmus | undābātis | undābant | |
future | undābō | undābis | undābit | undābimus | undābitis | undābunt | |
perfect | undāvī | undāvistī | undāvit | undāvimus | undāvistis | undāvērunt, undāvēre | |
pluperfect | undāveram | undāverās | undāverat | undāverāmus | undāverātis | undāverant | |
future perfect | undāverō | undāveris | undāverit | undāverimus | undāveritis | undāverint | |
passive | present | undor | undāris, undāre | undātur | undāmur | undāminī | undantur |
imperfect | undābar | undābāris, undābāre | undābātur | undābāmur | undābāminī | undābantur | |
future | undābor | undāberis, undābere | undābitur | undābimur | undābiminī | undābuntur | |
perfect | undātus + present active indicative of sum | ||||||
pluperfect | undātus + imperfect active indicative of sum | ||||||
future perfect | undātus + future active indicative of sum | ||||||
subjunctive | singular | plural | |||||
first | second | third | first | second | third | ||
active | present | undem | undēs | undet | undēmus | undētis | undent |
imperfect | undārem | undārēs | undāret | undārēmus | undārētis | undārent | |
perfect | undāverim | undāverīs | undāverit | undāverīmus | undāverītis | undāverint | |
pluperfect | undāvissem | undāvissēs | undāvisset | undāvissēmus | undāvissētis | undāvissent | |
passive | present | under | undēris, undēre | undētur | undēmur | undēminī | undentur |
imperfect | undārer | undārēris, undārēre | undārētur | undārēmur | undārēminī | undārentur | |
perfect | undātus + present active subjunctive of sum | ||||||
pluperfect | undātus + imperfect active subjunctive of sum | ||||||
imperative | singular | plural | |||||
first | second | third | first | second | third | ||
active | present | — | undā | — | — | undāte | — |
future | — | undātō | undātō | — | undātōte | undantō | |
passive | present | — | undāre | — | — | undāminī | — |
future | — | undātor | undātor | — | — | undantor | |
non-finite forms | active | passive | |||||
present | perfect | future | present | perfect | future | ||
infinitives | undāre | undāvisse | undātūrum esse | undārī | undātum esse | undātum īrī | |
participles | undāns | — | undātūrus | — | undātus | undandus | |
verbal nouns | gerund | supine | |||||
genitive | dative | accusative | ablative | accusative | ablative | ||
undandī | undandō | undandum | undandō | undātum | undātū |
Derived terms
- abundō
- exundō
- redundō
Descendants
- Aromanian: undedz, undari
- → English: undate
- Italian: ondare
- Portuguese: undar
- Romanian: unda, undare
- Spanish: ondear
References
- “undo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- “undo”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- undo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
- Carl Meißner; Henry William Auden (1894) Latin Phrase-Book, London: Macmillan and Co.
- a thing finds credence, is credible: aliquid fidem habet (vid. also fides under sect. VII., History)
- a thing finds credence, is credible: aliquid fidem habet (vid. also fides under sect. VII., History)
- redound in The Century Dictionary, New York, N.Y.: The Century Co., 1911
Lindu
Noun
undo
- flattery