spend the night in the open crossword clue

 The answer to the crossword clue "spend the night in the open" is CAMP. It is a 5-letter word.

This is a common crossword clue, and there are many other possible answers, depending on the length of the word the clue is looking for. Here are a few other possibilities:

4 letters: BIVOUAC

6 letters: HIKE-IN

7 letters: CAMP OUT

8 letters: SLEEP UNDER THE STARS

9 letters: BACKPACKING

The specific answer that is correct will depend on the context of the clue and the other words in the puzzle.

I hope this helps! Let me know if you have other crossword clues that you want me to help you with.