The term 'Great Pretender' can be broken down into three crossword solutions: ACTOR (5 letters), LIAR (4 letters), and FRAUD (5 letters). An ACTOR is someone who performs in a play, movie, or television show. A LIAR is someone who tells untruths or falsehoods. A FRAUD is someone who deceives others for personal gain. Together, these three words describe someone who pretends to be something they are not, often for their own benefit.