If you say that someone is living adouble life, you mean that they lead two separate and very different lives, and they appear to be a different person in each.
She threatened to publicly expose his double life if he left her.
double life in British English
(ˈdʌbəl laɪf)
noun
a life in which one set of actions, relationships, dealings, etc are kept secret from most people
She threatened to publicly expose his double life if he left her.
Eventually I discovered he'd been leading a double life.
Examples of 'double life' in a sentence
double life
The alternatives - return to the closet or lead a double life - seem equally unfair and unappealing.
Times, Sunday Times (2016)
We have all got debt, so for all I know they are all leading double lives too.
The Sun (2016)
Had her beloved been leading a secret double life?
Times, Sunday Times (2014)
Finally my secret double life came crashing down around me.
The Sun (2007)
He must have been leading a double life.
The Sun (2015)
This woman leads a double life.
Times, Sunday Times (2008)
As a result, we have wonderful new treatments that double life expectancy in this condition.
Times, Sunday Times (2008)
He seems depressed and says he's getting headaches from the stress of leading this double life.
Times, Sunday Times (2015)
I was leading a complete double life.
Times, Sunday Times (2014)
I predicted that my ex was leading a double life.
The Sun (2012)
I had no idea she was leading a double life.
The Sun (2014)
A determined factory welder leads a double life as an exotic dancer.
The Sun (2011)
If a spy wants to keep up his secret double life, he needs to draw as little attention to himself as possible.
Times, Sunday Times (2010)
This is an altogether different form of double life, and one that I find intriguing.
Times, Sunday Times (2010)
A source close to the investigation said: 'This was very much a double life he was leading.
Times, Sunday Times (2009)
I have followed him a couple of times so I know he is leading a double life.