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Definitions

weak link

NOUN
Achilles heel
Synonyms
WEAK
chink in the armor damaging weakness defect failing flaw foible frailty heel of Achilles susceptibility tender spot vulnerability weak spot weakness
NOUN
chink in one's armor
Synonyms
WEAK
Achilles' heel failing foible frailty shortcoming soft spot underbelly vulnerable place weak side weakness
NOUN
weak spot
Synonyms
WEAK
chink in one's armor fatal flaw vulnerable point weak point weak side weakness

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Italy is Europe’s weak link when it comes to energy because it is so dependent on energy imports.”

From The Wall Street Journal • Mar. 27, 2026

The secondary is the weak link in the Rams defense and he’s absolutely a broken link.

From Los Angeles Times • Dec. 20, 2025

Her production of “Ragtime,” with its sumptuous score by Stephen Flaherty and Lynn Ahrens, had nary a weak link in a cast of characters among the most expansive in the recent annals of musicals.

From The Wall Street Journal • Nov. 26, 2025

I, like many others, thought he would be the weak link against City, and expected Erling Haaland to get away from him and score.

From BBC • Nov. 25, 2024

A truly self-reliant person finds his weak link and strengthens it.

From "The Freedom Writers Diary" by The Freedom Writers

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.