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[lee-kee] /ˈli ki/
adjective, leakier, leakiest.
allowing liquid, gas, etc., to enter or escape:
a leaky boat; a leaky container.
Informal. unreliable:
a leaky memory; a leaky tongue.
Origin of leaky
First recorded in 1600-10; leak + -y1
Related forms
leakiness, noun
unleaky, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for leaky
Contemporary Examples
Historical Examples
  • My friend is too self-respecting to allow himself to be in any way related to a leaky sewer, and has reformed beautifully.

  • Ole lived in a leaky dugout somewhere at the edge of the settlement.

    My Antonia Willa Cather
  • Boone thus reached the Ohio, where he had the good luck to find a leaky canoe, in which he paddled across the stream.

    The Story of the Thirteen Colonies H. A. (Hlne Adeline) Guerber
  • At present she was too sorely battered and leaky to be of any use.

    The South Sea Whaler W.H.G. Kingston
  • A broken pane, a weak spot in the roof, a leaky horse trough, and a score of little things were repaired.

    The Preacher of Cedar Mountain Ernest Thompson Seton
British Dictionary definitions for leaky


adjective leakier, leakiest
leaking or tending to leak
Derived Forms
leakiness, noun
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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Word Origin and History for leaky

mid-15c., from leak (n.) + -y (2). Related: Leakiness.

Online Etymology Dictionary, © 2010 Douglas Harper
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