Definition

1. Adjective:
   • Impossible to attack successfully; completely secure from assault or capture. This describes something so strongly defended or inherently secure that it cannot be overcome by force or attack.
   • Incapable of being compromised, breached, or tampered with. This meaning extends to abstract concepts like systems, data, or arguments that are flawlessly constructed and cannot be undermined.

Usage Examples

• Adjective:
  • The ancient castle was considered unattackable due to its location on a sheer cliff.
  • Their encryption software is virtually unattackable by current hacking methods.
  • The philosopher presented an unattackable argument that left no room for criticism.

Advanced Usage

• "to be rendered unattackable": to be made completely secure or impervious to attack.
  • The new security protocols rendered the network unattackable.
• "an unattackable position": a strategic, moral, or logical stance that cannot be successfully challenged.
  • By citing the original treaty, the diplomat held an unattackable position in the negotiations.

Variants and Related Words

• Unassailable (adj): Often used interchangeably with "unattackable," especially regarding arguments or reputations that cannot be successfully challenged.
  • Her record in the sport is unassailable.
• Impregnable (adj): Very similar in meaning, emphasizing being unable to be captured or entered by force. It is a common synonym in the provided reference.
• Inviolable (adj): Emphasizes being safe from violation, desecration, or infringement, often used for sacred or fundamental rights.
• Secure (adj): A more general term for being safe, protected, or free from danger.

Synonyms

• Impregnable
• Invulnerable
• Unassailable
• Inviolable
• Impenetrable

Antonyms

• Vulnerable
• Assailable
• Attackable
• Exposed
• Defenseless

Related Phrases

• An unattackable fortress: A heavily fortified place that cannot be captured.
  • The rebels retreated to their unattackable fortress in the mountains.
• Unattackable logic: Reasoning that is so sound it cannot be refuted.
  • The proof was built on a foundation of unattackable logic.

Adjective

1. immune to attack; incapable of being tampered with
   • an impregnable fortress
   • fortifications that made the frontier inviolable
   • a secure telephone connection