vulnerable

American  

[vuhl-ner-uh-buhl] / ˈvʌl nər ə bəl /

adjective

1. capable of or susceptible to being attacked, damaged, or hurt.

   a vulnerable part of the body;

   vulnerable to predators;

   a company vulnerable to a hostile takeover.

2. open to moral attack, criticism, temptation, etc..

   That is an argument vulnerable to refutation.

   He is vulnerable to bribery.

3. (of a place) open to assault; difficult to defend.

   a vulnerable bridge.

4. willing to show emotion or to allow one’s weaknesses to be seen or known.

   Men and boys are rarely seen as vulnerable.

5. (of a person or population) needing supportive or protective social services and community resources because of advanced age, poverty, disability, etc.

6. Bridge. having won one of the games of a rubber.

7. Biology, Ecology. (of a threatened plant or animal species) likely to be classified endangered in the near future unless circumstances that threaten reproduction and survival improve, as categorized by the IUCN Red List: VU

   At least 15 percent of our vulnerable reptiles are turtles.

---

vulnerable British  

/ ˈvʌlnərəbəl /

adjective

1. capable of being physically or emotionally wounded or hurt

2. open to temptation, persuasion, censure, etc

3. liable or exposed to disease, disaster, etc

4. military liable or exposed to attack

5. bridge (of a side who have won one game towards rubber) subject to increased bonuses or penalties

---

Other Word Forms

• unvulnerable adjective
• vulnerability noun
• vulnerableness noun
• vulnerably adverb

Etymology

Origin of vulnerable

First recorded in 1610–20; from Late Latin vulnerābilis “injurious, wounding,” equivalent to Latin vulnerā(re) “to wound” + -bilis; -ble

Example Sentences

Bitcoin experienced a 35% decline in less than four weeks between mid-January and early February 2025, and individual investors are particularly vulnerable to these price swings.

From Los Angeles Times • Apr. 10, 2026

"Safeguarding is for the protection of vulnerable people, and that's the most important thing within any institution and especially within a church," he said.

From BBC • Apr. 10, 2026

Governments must take measures that prioritize the most vulnerable, she said, rather than putting blanket subsidies in place.

From Barron's • Apr. 9, 2026

The agency this year launched a pilot program to require prior authorization in traditional Medicare for treatments that are especially vulnerable to fraud.

From The Wall Street Journal • Apr. 9, 2026

It felt especially strange to intrude on her great-aunt in such a vulnerable moment, just a smallish lump under a mountain of blankets, only an old kerosene lantern to keep her company.

From "Ophie's Ghosts" by Justina Ireland

Related Words

• accessible
• defenseless
• exposed
• liable
• ready
• sensitive
• susceptible
• unsafe
• weak