felo-de-se n a person who kills himself intentionally n an act of deliberate self destruction Usage(s) If it were correct, he declared in the first great anti-Supreme Court blast, "then indeed is our Constitution a complete felo-de-se suicide. When the coroner's jury ruled felo-de-se (suicide), Judge Hale's estate was forfeited to the Crown. If such a power existed, declared Jefferson, "then indeed is our Constitution a complete felo-de-se suicide. Synonym(s) suicide