Reading Theme:
Intrusion: Definition, Usage & Common Examples (3 meaning)
Meaning 1：unauthorized entry (intrusion)
intrusion
/ɪnˈtruːʒn/
n.
The act of entering a place without permission or by force.
unauthorized entry
➕
/ʌnˈɔːθəraɪzd ˈentri/
n.
Refers to the act of going into a private area or property without having the right or permission to do so.
📘 Details & Usage
📖 Root Explanation
From Latin 'intrudere' (to thrust in), from 'in-' (into) + 'trudere' (to thrust).
💡 Mnemonic
Think of 'IN-trusion' as someone forcing their way IN where they are not TRULY welcome, like a rude guest at a party.
📖 Example
The loud noise was due to an intrusion by a stray dog into the neighbor's garden.
The loud noise was caused by an unauthorized entry of a stray dog into the neighbor's garden.
🔗 Collocations
forced intrusion – entry achieved by using physical power
physical intrusion – actual, bodily entry into a space
unauthorized intrusion – entry without official permission
🔄 Synonyms
🚫 Antonyms
🌱 Derivatives
📖 Cultural Story
Derived from Latin 'intrusio' (a thrusting in), it entered Middle English via Old French. Originally described a physical forcing in. In modern law and cybersecurity, it precisely denotes unauthorized entry, a key concept in privacy rights and digital security.
Meaning 2：unwelcome disturbance (intrusion)
intrusion
/ɪnˈtruːʒn/
n.
An unwelcome interruption or disturbance of someone's privacy, peace, or personal matters.
unwelcome disturbance
➕
/ʌnˈwelkəm dɪˈstɜːbəns/
n.
Describes an action or event that interrupts someone's peace, privacy, or personal affairs in an unwanted manner.
📘 Details & Usage
📖 Example
I need some quiet time to study; constant phone calls feel like an intrusion.
I require some quiet time to study; receiving constant phone calls feels like an unwelcome disturbance.
🔗 Collocations
personal intrusion – an unwelcome involvement in one's private life
emotional intrusion – an unwelcome disturbance of one's feelings or emotional state
social intrusion – an unwelcome interruption in a social setting or relationship
🔄 Synonyms
interruption (n.) – an act of stopping the continuous progress of an activity
disturbance (n.) – an interruption of a state of peace or quiet
infringement (n.) – an act that violates or limits a right, law, or agreement
🚫 Antonyms
respect (n.) – consideration for the feelings, wishes, or privacy of others
courtesy (n.) – polite behavior that shows respect for other people
consideration (n.) – careful thought for the needs and feelings of others
Meaning 3：cyber breach (intrusion)
intrusion
/ɪnˈtruːʒn/
n.
In computing, when an unauthorized person or program gains access to a computer system or network.
cyber breach
➕
/ˈsaɪbər breɪtʃ/
n.
In information technology, this refers to the unauthorized access or penetration into a computer system, network, or database by an external or internal entity.
📘 Details & Usage
📖 Example
The company's network suffered a serious security breach due to a cyber intrusion.
The company's network experienced a severe security compromise because of a cyber breach.
🔗 Collocations
network intrusion – unauthorized access into a computer network
cyber intrusion – a digital attack or unauthorized access in cyberspace
security intrusion – a breach that compromises the safety of a system
🔄 Synonyms
breach (n.) – an act of breaking security protocols or laws
hack (n.) – unauthorized access to data in a system or computer
infiltration (n.) – the process of secretly gaining access to a system
🚫 Antonyms
protection (n.) – the action of keeping someone or something safe
defense (n.) – the action of resisting an attack
security (n.) – the state of being free from danger or threat
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