1 arrive unannounced TRANSITIVEthey burst in on ustháinig siad isteach sa mhullach orainn, tháinig siad isteach gan choinne gan iarraidhhe burst in on the meetingréab sé leis isteach sa chruinniú2 interrupt TRANSITIVEshe burst in on the conversationchuir sí a ladar sa chomhrá → see burst