Try Our Apps


Avoid these words. Seriously.


[ded-lahyt] /ˈdɛdˌlaɪt/
noun, Nautical.
a strong shutter able to be screwed against the interior of a porthole in heavy weather.
a thick pane of glass set in the hull or deck to admit light.
Origin of deadlight
First recorded in 1720-30; dead + light1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for deadlight
Historical Examples
  • "Fully committed," muttered Denman, as he drew back from the deadlight.

    The Wreck of the Titan Morgan Robertson
  • Remembering his embarrassment of the morning, Denman did not seek the deck, but looked through his deadlight.

    The Wreck of the Titan Morgan Robertson
  • Then he entered an opposite room—all were unlocked now—from which, slantingly through the deadlight, he saw lights.

    The Wreck of the Titan Morgan Robertson
  • Foster remained, moodily staring through the deadlight, while the other two went forward.

    The Wreck of the Titan Morgan Robertson
  • Then Ross casually glanced at the deadlight, and violently forced the girl to her seat.

    The Wreck of the Titan Morgan Robertson
  • It was hot in the room, and rather dark, as the deadlight to the poop-deck was fogged by sea water.

    Isle o' Dreams Frederick F. Moore
  • He drew back to avoid a brick that threatened to enter the deadlight, and the conversation ended.

    The Grain Ship Morgan Robertson
  • As the deadlight had been closed over the port, the state-room was illumined only by a gray half-gloom from the cabin.

    The Harbor Master Theodore Goodridge Roberts
  • Under this head may also be mentioned the Funa'l or deadlight, which was lighted in some churchyards at night.

  • Then I flooded the boat rapidly through the deadlight till the water came to the level of the coaming.

    The Story of Our Submarines

    John Graham Bower
British Dictionary definitions for deadlight


  1. a bull's-eye let into the deck or hull of a vessel to admit light to a cabin
  2. a shutter of wood or metal for sealing off a porthole or cabin window
a skylight designed not to be opened
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
Cite This Source

Word of the Day

Nearby words for deadlight

Word Value for deadlight

Scrabble Words With Friends