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