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headless

American  
[hed-lis] / ˈhɛd lɪs /

adjective

  1. without a head.

  2. having the head cut off; beheaded.

  3. having no leader or chief; leaderless.

  4. foolish; stupid.

    a headless argument.


headless British  
/ ˈhɛdlɪs /

adjective

  1. without a head

  2. without a leader

  3. foolish or stupid

  4. prosody another word for catalectic

"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

Other Word Forms

Etymology

Origin of headless

before 1000; Middle English he ( ve ) dles, Old English hēafodlēas. See head, -less

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.

See Examples For:

“Everyone was running around like little headless chickens,” Alicia said.

From The Wall Street Journal Aug. 12, 2026

It contained several digital distortions, including a headless agent.

From Barron's Jan. 30, 2026

“I’ve been doing this home so long, maybe I’m losing track,” he says, casting a critical eye at the headless horseman rearing above him.

From Los Angeles Times Oct. 21, 2025

As Ambrose Pierce wrote, “Patriotism is as fierce as a fever, pitiless and the grave, blind as a stone and irrational as a headless man.”

From Salon May 17, 2025

But the most dangerous spirit, he told me, was the several-ton headless hog he saw roaming Lacks Town years ago with no tail.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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