Fall of Adam and Eve means in the bible: This is the process through which humanity became mortal here on earth. It is described in Genesis 2-4, and Moses 3-4. One of the greatest events in human history is the Fall of Adam and Eve. There was no sin, death or children before the fall. Adam and Eve were made mortal by eating the forbidden fruit. Sin entered their bodies and became part of our lives. Adam was the “first flesh” on the Earth Moses 3:7. This means that Eve and he were both mortal. The entire creation was made mortal after Adam’s fall. Adam’s fall brought death to all of humanity Hel. 14:16-17.
(in Bible Dictionary)