At a __ for words (speechless) (4)
I believe the answer is:
loss
(Other definitions for loss that I've seen before include "Bandleader" , "disappearance" , "Forfeiture" , "Defeat; bereavement" , "(Sports) defeat" .)
I believe the answer is:
loss
(Other definitions for loss that I've seen before include "Bandleader" , "disappearance" , "Forfeiture" , "Defeat; bereavement" , "(Sports) defeat" .)