Verb
-
increase rapidly and in an uncontrolled manner
"The population of India is exploding"
"The island's rodent population irrupted"
-
erupt or intensify suddenly
"Unrest erupted in the country"
"Tempers flared at the meeting"
"The crowd irrupted into a burst of patriotism"
- flare up - break open - burst out -
enter uninvited
"They intruded on our dinner party"
"She irrupted into our sitting room"