Definition of "muddle-headed" [muddle-headed]

• Mentally confused. (adjective)
• Inept; blundering. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In 1923, a self-trained Adventist geologist named George McCready Price took White's vision and turned it into a 700-page magnum opus called "The New Geology," where he set the standard for all the muddle-headed creationist pseudo-science that was to follow."
• "Any pretence that England were unfortunate victims of circumstance in New Zealand has been blown out of the water and replaced by a litany of examples of avarice and muddle-headed thinking."
• "To be a muddle-headed aesthete, even to be interested in the aesthetic qualities of literature at all, has long been anathema to a certain kind of critic, grounds for accusing writers of being morally deficient, but why, for example, would it probably not occur to these critics to declare, say, composers too interested in art, too attentive to the needs of form over those of morality?"