intruder (B2)

noun

Pronunciation: /ɪnˈtruːdər/

Definition

A person who enters a place or property unlawfully, especially with the intention of committing a crime.

Examples

• The security system is designed to detect any intruder.

• Police were called to investigate a suspected intruder in the building.

• The homeowner surprised the intruder and managed to scare him away.

How to Use intruder

intruder alert (collocation)

A warning or signal indicating the presence of an intruder. — "The loud intruder alert woke up the entire household."

intruder alarm (collocation)

A system designed to detect and signal the presence of an intruder. — "The house was equipped with a state-of-the-art intruder alarm."

Synonyms of intruder

Words with a similar meaning to intruder:

• trespasser
• burglar
• invader
• uninvited guest

Antonyms of intruder

Words with the opposite meaning to intruder:

• owner
• resident
• authorized person

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