adj

invulnerable

adj

Impossible to harm, damage, or injure.

"No system is completely invulnerable to hackers."

"The ancient fortress seemed invulnerable to attack."

How to Use Invulnerable

Learner’s notes

In plain EnglishUnable to be hurt or damaged.

Easily confused with

vulnerable →

Common pairings

invulnerable to attack feel invulnerable

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No system is completely _____ to hackers.

From Latin invulnerabilis, "unable to be wounded" (in-, "not," + vulnerare, "to wound," from vulnus, "wound").

able fable cable table sable gable viable liable stable unable usable enable