1. (

• intrude ,
• irrupt ,

) enter uninvited; "They intruded on our dinner party"; "She irrupted into our sitting room" ;

2. (

• erupt ,
• irrupt ,
• flare_up ,
• flare ,
• break_open ,
• burst_out

) erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism" ;

3. (

• explode ,
• irrupt

) increase rapidly and in an uncontrolled manner; "The population of India is exploding"; "The island's rodent population irrupted" ;