Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective So tightly made that water cannot enter or escape.
  • adjective Having no flaws or loopholes; impossible to fault, refute, or evade.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective So tightly made that water cannot enter or escape.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From water +‎ tight.

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Examples

  • What an absurd and anomalous position, but the result is very serious for it means that as we are all separated by these artificial barriers which we have erected, there is a danger of our working and thinking in watertight compartments.

    Certain Aspects of British Life and Thought 1948

  • It is a mistake to imagine that war aims, strategy, propaganda and industrial organisation exist in watertight compartments.

    The Lion and the Unicorn 1941

  • This system, of course, is not watertight, which is why, meanwhile, we have decided to start using body scanners on flights to the states.

    CNN Transcript Dec 30, 2009 2009

  • This system, of course, is not watertight, which is why meanwhile we have decided to start using body scanners on flights to the states.

    CNN Transcript Dec 30, 2009 2009

  • This system, of course, is not watertight, which is why, meanwhile, we have decided to start using body scanners on flights to the States.

    CNN Transcript Dec 30, 2009 2009

  • Colonel Shapiro has what might be called a watertight one.

    The Alamut Ambush Price, Anthony 1971

  • It is disconcerting, to say the least of it, particularly when the water sweeps its way aft along the upper deck in solid masses which no so-called watertight ventilator can keep out.

    Stand By! Naval Sketches and Stories 1925

  • The Crown became central to the definition of Canadian federalism in 1892 when the Judicial Committee of the Privy Council ruled that the Crown in the provinces is co-equal with the federal Crown within the separate constitutional jurisdictions of provincial legislatures and Parliament - the so-called watertight-compartments thesis of Canada's Constitution.

    The Globe and Mail - Home RSS feed Michael Valpy 2009

  • In my late teens, taken by the idea of meeting all my internet penfriends, I formed a 'watertight' plan to spend the summer criss-crossing America by bus meeting my glamourous new acquaintances.

    42 entries from July 2007 2007

  • In my late teens, taken by the idea of meeting all my internet penfriends, I formed a 'watertight' plan to spend the summer criss-crossing America by bus meeting my glamourous new acquaintances.

    Tales From The Big Dog 2007

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