A sudden and forceful entry into a place or situation
Examples:
The irruption of tourists overwhelmed the small town.Sudden irruption of ideas filled her with energy.Irruption of birds occurred every spring in the valley.
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Eruption
/ɪˈrʌpʃn/
A sudden, often violent, release of material from a volcano or a similar sudden outburst.
Examples:
A volcanic eruption is one of nature's most destructive forces.The sudden eruption of anger startled everyone.Witnesses described the eruption of cheers from the crowd.
Synonyms:
Antonyms:
Ways to tell them apart:
Irruption starts with an ir- like intrusion; think of it as an invasion or sudden appearance.
Eruption starts with an e- like explode or exit; it involves something bursting out or becoming active suddenly.
Irruption commonly refers to animals or people suddenly moving into an area, like birds during migration.
Eruption is often about something emerging with force, such as a volcano, pimple, or rage.
Imagine an irruption of chaos when too many people suddenly crowd a small room, versus the explosive eruption of a volcano liberating its pressure.