stock-still (
http://definr.com/stock-still)
adj : absolutely still; "frozen with horror"; "they stood rooted
in astonishment" [syn:
frozen(p),
rooted(p)]
adv : without moving or making a sound; "he sat still as a
statue"; "time stood still"; "they waited stock-still
outside the door"; "he couldn't hold still any longer"
[syn:
still]