from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Immune to attack; impregnable.
- adj. Impossible to damage, injure, or wound.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Incapable of being wounded, or of receiving injury; not vulnerable.
- adj. Unanswerable; irrefutable; unable to be damaged by an attack or convinced; as, an invulnerable argument.
from the GNU version of the Collaborative International Dictionary of English
- adj. Incapable of being wounded, or of receiving injury.
- adj. Unanswerable; irrefutable; that can not be refuted or convinced.
from The Century Dictionary and Cyclopedia
- Not vulnerable; incapable of being wounded, hurt, or harmed.
- Hence Not to be damaged or injuriously affected by attack: as, invulnerable arguments or evidence.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. immune to attack; impregnable
French invulnérable, from Old French, from Latin invulnerābilis : in-, not; see in-1 + vulnerāre, to wound (from vulnus, vulner-, wound; see vulnerable).(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin invulnerābilis, from vulnerābilis, from vulnerō ("I wound"), from vulnus ("wound"). (Wiktionary)