American Idioms – Idiom Wizard Lists Over 5,500 Idioms & Slang Descriptions

Achilles heel


(Old fashioned) Physical, emotional or financial vulnerability. A weak point. Unprotected weakness. The phrase proclaims a very strong person but with a glaring weakness that can be taken advantage of by enemies. (Reference to Greek mythological figure of Achilles who was invincible except for his heels)

“His will power is strong and he can resist any junk food, but his Achilles heel is chocolate”

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