Answer: letoneshairdown

AnswerCrossword Clue
LETONESHAIRDOWN

Loosen up

LETONESHAIRDOWN

Relax

LETONESHAIRDOWN

Cast off inhibitions

LETONESHAIRDOWN
Become informal
LETONESHAIRDOWN
Be frank
LETONESHAIRDOWNRelax, literally
LETONESHAIRDOWNLose inhibitions