What does irruption mean?
An irruption is a sudden, forceful arrival or intrusion, whether literal or figurative. It can describe someone or something breaking into a place, or a sudden event that interrupts a situation: an irruption of lava, an irruption of visitors, or the irruption of a new controversy. The word is chiefly formal and literary, with a noticeably dramatic tone. Unlike the more neutral “arrival,” “irruption” suggests that the event is sudden, disruptive, and possibly unwelcome. It is also more forceful than “intrusion,” often suggesting an entry that cannot easily be ignored. In ordinary conversation, “burst,” “intrusion,” or “interruption” may be more natural, depending on the intended degree of force and formality.
nounA sudden, forceful entry or invasion; an abrupt intrusion. The word is often used figuratively for an unwelcome or disruptive arrival.
- A sudden, forceful entry, invasion, or intrusion, especially into a place, situation, or process.
"The irruption of the storm forced the hikers to seek shelter."
"The irruption of cold air caused the flames to flicker."
"Her irruption into the debate ended the discussion abruptly."
The plural is used for separate instances of a sudden intrusion or disruptive arrival, especially in formal or historical writing.
"The report described several irruptions into the restricted area."
An irruption is more forceful than an interruption: it suggests something breaking in suddenly and often uninvited.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does irruption come from?
The word comes from Late Latin irruptio, a noun meaning “a breaking or forcing in,” derived from irrumpere, “to break or force one’s way in.” The Latin verb combines the prefix in- with rumpere, “to break.” The English noun entered use in the early modern period and initially referred to a sudden or forcible entry, before developing its broader figurative meanings.
How irruption is actually used
Chiefly formal or literary. It is especially common in phrases such as “the irruption of” and conveys abruptness, force, and often disruption.