intrusion
ihn-TROO-zhuhn
Intrusion (noun) means an unwelcome entry into a place, situation, or someone's private life. Example: “The company tightened security after a network intrusion.”
noun
1
An unwelcome entry into a place, situation, or someone's private life.
"The company tightened security after a network intrusion."
"She saw the phone call as an intrusion on her weekend."
2
In geology, molten rock forced into cracks in existing rock, or the rock formed when it hardens there.
"Geologists studied the granite intrusion running through the cliff face."
How to use intrusion
Learner’s notesIn plain EnglishAn unwanted entry or interruption — into a place, privacy, or (in geology) into solid rock.
Common pairings
network intrusion
intrusion into privacy
igneous intrusion
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Word forms
- Plural
- intrusions
Fill the gap
Can you complete this real example?
The company tightened security after a network _____.
Etymology
From Medieval Latin intrūsiō, from Latin intrūdō, "to thrust in."
Related words
Rhymes for intrusion
region
ablation
allusion
emulsion
ideation
novation
diffusion
elocution
extension
oxidation
perfusion
selection
See all rhymes for intrusion →
Frequently asked questions
What does “intrusion” mean?
The word “intrusion” means an unwelcome entry into a place, situation, or someone's private life. In plain terms, an unwanted entry or interruption — into a place, privacy, or (in geology) into solid rock.
How do you pronounce “intrusion”?
“Intrusion” is pronounced ihn-TROO-zhuhn (/ɪnˈtɹuːʒən/ in IPA).
How do you use “intrusion” in a sentence?
Here is “intrusion” used in a sentence: “The company tightened security after a network intrusion.”
What part of speech is “intrusion”?
“Intrusion” is a noun.
Where does the word “intrusion” come from?
The word “intrusion” comes from Medieval Latin. From Medieval Latin intrūsiō, from Latin intrūdō, "to thrust in.".
Is “intrusion” a common word?
“Intrusion” is an uncommon word in modern English, usually learned at around the B2 level.
How many meanings does “intrusion” have?
“Intrusion” has 2 distinct senses listed in this dictionary. The most common is: an unwelcome entry into a place, situation, or someone's private life.
