Fall behind in the end Crossword Clue

 The answer to the crossword clue "Fall behind in the end" is LAG. It is a 3-letter word that means to fall behind or lose ground. The clue "Fall behind in the end" suggests that the person or thing that is lagging will eventually lose the race or competition.

Here is an example of how the clue "Fall behind in the end" could be used in a crossword puzzle:

Across:

1. Lagging behind in the end (3)

The answer to this clue would be the word "LAG".

I hope this helps!