The term 'leave speechless' can be expressed in a variety of ways, such as 'STUN, ' 'AWE, ' 'AMAZE, ' 'NONPLUS, ' and 'tonguetie.' All of these words describe the feeling of being overwhelmed or astonished to the point of being unable to speak. To be 'STUNNED' is to be shocked or surprised, while to be 'AWED' is to be filled with admiration or reverence. To be 'AMAZED' is to be filled with wonder or astonishment, while to be 'NONPLUSSED' is to be completely bewildered. Finally, to be 'tonguetied' is to be rendered speechless due to shock or surprise.