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Achilles' heel

noun

Simple Definition of Achilles' heel

  • : a fault or weakness that causes or could cause someone or something to fail

Full Definition of Achilles' heel

  1. :  a vulnerable point

Examples of achilles' heel

  1. I'm trying to lose weight, but ice cream is my Achilles' heel.

  2. <the food supply proved to be the nation's Achilles' heel in its defense against terrorist attacks>



Origin of achilles' heel

from the story that Achilles was vulnerable only in the heel


First Known Use: 1840


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