Answer: mumstheword

AnswerCrossword Clue
MUMSTHEWORD

Don't mention the flowers!

MUMSTHEWORD

Secret keeper's promise

MUMSTHEWORD

"Okay, I'll shut up"

MUMSTHEWORD
"Hush!" to a florist?
MUMSTHEWORD
"Not a peep!"
MUMSTHEWORD"Be quiet, florist!"
MUMSTHEWORDExpression from Cervantes.
MUMSTHEWORDSlogan for the discreet
MUMSTHEWORDHow drums met unsettling quiet (4, 3, 4)
MUMSTHEWORD"Don't tell a soul!"
MUMSTHEWORDCabalist's caution
MUMSTHEWORD"Don't tell!"
MUMSTHEWORD"Keep it under your hat!"
MUMSTHEWORD"Don't tell a soul"
MUMSTHEWORD"Shhhh!"
MUMSTHEWORD"Ssh!"
MUMSTHEWORDSurprise-party admonition
MUMSTHEWORD"Zip your lip!"