so great, shocking or surprising that it is difficult to believe synonym astounding They paid a staggering £5 million for the house.Extra examples The public response was absolutely staggering. She beat the two previous winners with staggering ease. The attention to detail is staggering. The exhibition cost a staggering $30 million. The growth in traffic was staggering. The paintings on the wall were evidence of a staggering lack of talent. The variety of entries received was staggering. The work cost £2 000, a quite staggering sum in those days.