An imperfection or lack that causes inadequacy or failure; a shortcoming or deficiency.
To cause a flaw in; make defective:
The definition of foible is a small character flaw.
A faint hope
Find another word for achilles-heel. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for achilles-heel, like: defect, heel of Achilles, chink in the armor, damaging weakness, failing, flaw, foible, forlorn-hope, frailty, handicap and susceptibility.