Keep ___ (stay quiet) (3)
I believe the answer is:
mum
(Other definitions for mum that I've seen before include "Keep it secret from mother?" , "Tight-lipped" , "(Keep) silent; mother" , "Keep quiet, mother" , "member of the family" .)
I believe the answer is:
mum
(Other definitions for mum that I've seen before include "Keep it secret from mother?" , "Tight-lipped" , "(Keep) silent; mother" , "Keep quiet, mother" , "member of the family" .)