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[uhn-pluhmd] /ʌnˈplʌmd/
not plumbed; not tested or measured with a plumb line.
not understood or explored in depth, as an idea, theory, feeling, or experience.
Origin of unplumbed
First recorded in 1615-25; un-1 + plumb + -ed3 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for unplumbed
Historical Examples
  • His silences had not proceeded from the unplumbed depths of his knowledge.

    Gigolo Edna Ferber
  • Down, down, to what unplumbed depths had it gone, those other times?

    The Fate of Felix Brand Florence Finch Kelly
  • It cried to him out, as it seemed, of some unplumbed depth of experience in himself.

    The Gateless Barrier Lucas Malet
  • One drop of the salt estranging sea is as unplumbed as the whole ocean.

    Robert Browning Edward Dowden
  • Helen grew conscious of unplumbed depths, of instincts at which she was amazed and ashamed.

  • His hackles rose as he thought of a senseless plunge into unplumbed distance.

    Comet's Burial Raymond Zinke Gallun
  • Without transition, such persons have passed from the absurd excesses of slothful optimism to the vertigo of unplumbed pessimism.

    The Forerunners Romain Rolland
  • Most uncompromising of the realists, he yet ventures into depths hitherto undreamt of and unplumbed.

    Why we should read S. P. B. Mais
  • Electricity for the ancients was an unplumbed ocean, whose slightest fluctuations affected them in ways they could not understand.

    Thunder and Lightning

    Camille Flammarion
  • Muffled speech from unplumbed spirit-depths, yet inspired by the impulse of sport.

British Dictionary definitions for unplumbed


unfathomed; unsounded
not understood in depth
(of a building) having no plumbing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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