headless

1. Not having a head or formed without a head (synset 301187805)
   "the headless horseman"; "brads are headless nails"
   similar to:

   • acephalous - lacking a head or a clearly defined head
   • beheaded, decapitated - having had the head cut off
2. Not using intelligence (synset 301339790)
   similar to: stupid, unintelligent - lacking intelligence
   same as: brainless

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