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Synonyms

lights

American  
[lahyts] / laɪts /

plural noun

  1. the lungs, especially of sheep, pigs, etc.

lights 1 British  
/ laɪts /

plural noun

  1. a person's ideas, knowledge, or understanding

    he did it according to his lights
"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
lights 2 British  
/ laɪts /

plural noun

  1. the lungs, esp of sheep, bullocks, and pigs, used for feeding pets and occasionally in human food

"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

Etymology

Origin of lights

First recorded in 1150–1200; Middle English lihte, lightes, noun use of liht light 2; cf. lung

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Suddenly the music stopped and the lights cut out.

From Los Angeles Times • Apr. 20, 2026

Fewer people would drive on the highway if we didn’t have cops to enforce the driving laws, if we didn’t have traffic lights and speed limits.

From Barron's • Apr. 18, 2026

The email lights up your inbox like a ray of hope.

From The Wall Street Journal • Apr. 16, 2026

Theirry Henry scored twice after Ruud van Nistelrooy's opener, but Ryan Giggs, top to tail in blue, stooped to make it 2-2 in a classic under the lights.

From BBC • Apr. 13, 2026

And then—had she blinked?—suddenly the lights were gone.

From "Found" by Margaret Peterson Haddix

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.