ɪˈɹʌpt ɪkˈspləʊd ɪkˈsploʊd flɛə̯ flɛɚ̯ ɪnˈtɹuːd 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 enter uninvited They intruded on our dinner party She irrupted into our sitting room