Definition

Noun: 1. An intruder who passes into or through a place or system, often by overcoming resistance: A person or thing that gains unauthorized entry, access, or insight into a restricted area, group, or domain. 2. An individual or object capable of piercing or entering a substance or barrier: Something designed to or that succeeds in entering another object by force or through a narrow opening.

Usage Examples

• Noun:
  • The security system detected an unknown penetrator inside the network perimeter.
  • Military analysts studied the capabilities of the new armor-piercing penetrator.
  • The investigative journalist was a skilled penetrator of corporate secrecy.

Advanced Usage

• "Market penetrator": A company or product that successfully enters and gains a share in a new or established market.
  • The startup became a successful market penetrator by offering a unique service model.
• In military/defense contexts, it often specifically refers to a type of ammunition or projectile designed to pierce armor.
  • The round uses a depleted uranium penetrator to defeat heavy tank armor.

Variants and Related Words

• Penetrate (verb): To enter, pierce, or pass into or through something.
  • The bullet can penetrate steel.
• Penetration (noun): The act or process of penetrating.
  • The penetration of new technologies into rural areas is slow.
• Penetrative (adjective): Having the ability to penetrate.
  • The analysis was penetrative and revealing.

Synonyms

• Intruder
• Infiltrator
• Trespasser
• Invader
• Piercer

Related Phrases

• To act as a penetrator: To function in the role of one who gains entry.
  • The agent was trained to act as a penetrator behind enemy lines.

Noun

1. an intruder who passes into or through (often by overcoming resistance)