Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Formed without a head.
- adj. Decapitated.
- adj. Lacking a leader or director.
- adj. Lacking intelligence and prudence; stupid or foolish.
Century Dictionary and Cyclopedia
- Having no head; acephalous; acranial: as, the headless mollusks; headless vertebrates.
- Destitute of a chief or leader.
- Destitute of understanding or prudence; foolish.
Wiktionary
- adj. Without a head; decapitated.
- adj. Without a head in the sense of leadership.
- adj. linguistics Not having a head morpheme or word.
- adj. computing Running without a user interface; specifically, running without a monitor, keyboard, and mouse.
- adj. of beer Without a head of foam.
- adj. obsolete Destitute of understanding or prudence; foolish; rash.
GNU Webster's 1913
- adj. Having no head; beheaded.
- adj. Destitute of a chief or leader.
- adj. obsolete Destitute of understanding or prudence; foolish; rash; obstinate; mindless.
WordNet 3.0
- adj. not having a head or formed without a head
- adj. not using intelligence
Etymologies
- From Anglo-Saxon, equivalent to head + -less. (Wiktionary)
Examples
“Taylor, what do you call a headless, legless guy hanging on a wall?”
“What do you call a headless, legless girl on a stone wall?”
“What do you call a headless, armless, legless guy in a pot?”
“What do you call a headless, legless girl on a driveway?”
“What do you call a headless, legless guy on a restaurant table?”
“What do you call a headless, legless guy on a cafeteria table?”
“What do you call a headless, legless guy hanging out at a voting booth?”
“What do you call a headless, legless guy on a baseball field?”
“What do you call a headless, legless guy on a soundstage?”
“What do you call a headless, armless, legless guy in a hole?”
Lists
These user-created lists contain the word ‘headless’.
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Genes
Interesting gene names. Some of these may have changed recently (to something less offensive/funny).
http://www.genenames.org/
tinman, agnostic, dreadlocks, Van Gogh, fruitless, lava lamp, ariadne, cheap date, ken and barbie, I'm not dead yet, I'm not dead yet 2, manic fringe and 1192 more... -
-more or -less
Words ending with *more or *less, more or less. Many of theses terms also appear on the list The -less Said, which see.
schemaless, unless, useless, guileless, wireless, regardless, homeless, endless, nevertheless, countless, jobless, doubtless and 434 more...
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The -less Said...
hopeless, bootless, groundless, luckless, artless, feckless, hapless, joyless, useless, penniless, childless, peerless and 310 more...
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use•ful
palmary, glossolalia, bothum, high-proof, synesthesia, odious, autochthonous, yawp, mordacious, dynamo, dishevel, titely and 414 more...
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Edward Gorey
gashlycrumb, mortshire, dustwrapper, earbrass, toastrack, enigma, pincushion, affair, postcard, mystery, blancmange, tragedy and 44 more...
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In Penguin File
Black and white truths: species, characters, myths, habitats, lore.
fairy, emperor, adelie, chinstrap, headless, african, little, king, yellow-eyed, happy feet, erect-crested, pingoo and 42 more...
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deceptive, erotic, harsh
From the Brooklyn Bridge to St. Petersburg /
In every boardroom or boudoir across the world /
From the Fall of Rome to the Renaissance /
Through Reformation, Cold War, Vietnam.headless, beast, bones, leftovers, warlike, groan, cannibal, gruesome, stench, war, carrion, cataclysm and 56 more...
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Rime Riche
being words relating to the art of poetry
enjambment, prosody, meter, rhyme, foot, scansion, iamb, hexameter, pentameter, caesura, inversion, headless and 45 more...
Tweets
Looking for tweets for headless.

vanishedone In the context of 'Running Old Desktops Headless?' it seems to mean 'without a monitor', although I had a momentary vision of a headless horseman calling tech support. Sep 6, 2009