Definitions

from The Century Dictionary.

  • noun One who lacks brains, or is deficient in understanding.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who is deficient in understanding; a witless person.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun derogatory A person who lacks brains; an idiot.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

lack brain

Examples

  • DinoChow akira is not dead ! lackbrain mike on Dec 10, 2008

    Another Horrible Trailer for Fox's Dragonball Evolution - Updated! « FirstShowing.net

  • "If you dare open that swine's mouth against me," shouted the woodman, "I'll crop your ears for you before the hangman has the doing of it, thou long-jawed lackbrain."

    The White Company

  • "If you dare open that swine's mouth against me," shouted the woodman, "I'll crop your ears for you before the hangman has the doing of it, thou long-jawed lackbrain."

    The White Company

  • "If you dare open that swine's mouth against me," shouted the woodman, "I'll crop your ears for you before the hangman has the doing of it, thou long-jawed lackbrain."

    The White Company

  • "I'll crop your ears for you before the hangman has the doing of it, thou long-jawed lackbrain."

    The White Company

  • "If you dare open that swine's mouth against me," shouted the woodman, "I'll crop your ears for you before the hangman has the doing of it, thou long-jawed lackbrain."

    The White Company

  • The baron was in a full-throated rage, calling the lad one name after another ” lackbrain, slackard, shitskull ... it got worse from there.

    Chosen Of The Gods

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