wash one's hands of

From the account in Matthew 27:24 of the Bible in which Pontius Pilate, unwilling to condemn Jesus who has committed no crime but whose crucifixion the crowd has called for, symbolically washes his hands in public and says (according to the King James Version; spelling modernized): “I am innocent of the blood of this just person: see ye to it.”[1][2]

• (Received Pronunciation) IPA^(key): /ˌwɒʃ wʌnz ˈhæn(d)z‿əv/
• (General American) IPA^(key): /ˌwɔʃ wʌnz ˈhæn(d)z‿əv/

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wash one's hands of (third-person singular simple present washes one's hands of, present participle washing one's hands of, simple past and past participle washed one's hands of)

1. (transitive, idiomatic) To absolve oneself of responsibility or future blame for (something); to refuse to have any further involvement with (something).

   Synonyms: disclaim, disown; see also Thesaurus:repudiate

   • 1693, [William] Congreve, The Old Batchelour, a Comedy. […], 2nd edition, London: […] Peter Buck, […], →OCLC, Act II, page 11:

     Sharp[er]. […] Mony is but Dirt, Sir Joſeph—Mere Dirt. / Sir Jo[seph Wittoll]. But I profeſs, it is a Dirt I have vvaſhed my Hands of at preſent; I have laid it all out upon my Back.

   • 1749, Henry Fielding, “In which the Surgeon Makes His Second Appearance”, in The History of Tom Jones, a Foundling, volume III, London: A[ndrew] Millar, […], →OCLC, book VIII, page 165:

     'Then I vvaſh my Hands of you,' cries the Doctor, 'and I deſire you to pay me for the Trouble I have had already. […].'

   • 1852 March – 1853 September, Charles Dickens, “Quite at Home”, in Bleak House, London: Bradbury and Evans, […], published 1853, →OCLC, page 53:

     He had entirely washed his hands of the difficulty, and it had become ours.

   • 1884, H[enry] Rider Haggard, chapter VII, in Dawn […], volume III, London: Hurst and Blackett, […], →OCLC, page 70:

     It was no affair of his; he had long ago washed his hands of the whole matter, and left things to take their chance.

   • 1916 September, Rex Beach, “El Demonio’s Child”, in Rainbow’s End […], New York, N.Y., London: Harper & Brothers, →OCLC, page 245:

     Although Norine had pretended to wash her hands of all responsibility for Branch's little charge, she was by no means so inhuman as she appeared.

   • 1936 June 8, “National Affairs: Ditch Up, Dam Down”, in Henry R[obinson] Luce, editor, Time‎, New York, N.Y.: Time Inc., →ISSN, →OCLC, archived from the original on 2012-01-01:

     [A]fter Congress had refused to appropriate money to continue them, President [Franklin Delano] Roosevelt washed his hands of the two ventures.

   • 2003 March 13, “Immigration: Vermont refugee aid group says policy thins resources”, in The New York Times‎, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 2016-03-11:

     Janet Dench, the executive director of the Canadian Council for refugees, said that both countries are "washing their hands" of the problem.

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