Below you can find the When singular this word signals the end of a play & when plural the end of a gangster's life Jeopardy Words Answer. The answer to When singular this word signals the end of a play & when plural the end of a gangster's life has 7 letters. This clue belongs to the The grand finale category and is part of Jeopardy Word Level 1443. If you scroll near the bottom you will find other clues and answers part of level 1443