The singer Cher is a four-letter answer to the crossword clue 'Strong Enough Singer'. Cher is an American singer, songwriter, actress, and television personality who has been active in the entertainment industry since the 1960s. She is best known for her hit singles such as 'BELIEVE' and 'If I Could Turn Back Time'. She has won an Academy Award, a Grammy Award, an Emmy Award, three Golden Globe Awards, and a Cannes Film Festival Award.