Unscramble Refdebin

What is the meaning of word refdebin unscrambled?

What 8 letter words can be made from letters R E F D E B I N:

1. befriend - Definition of befriend

Make more words by adding or removing letters

How many 7 letter words can you make from letters R E F D E B I N?

1. bendier - Definition of bendier

2. briefed - Definition of briefed

3. debrief - Definition of debrief

4. definer - Definition of definer

5. fibered - Definition of fibered

6. inbreed - Definition of inbreed

7. refined - Definition of refined

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling efdebin
2) Removing the letter E and unscrambling rfdebin
3) Removing the letter F and unscrambling redebin
4) Removing the letter D and unscrambling refebin
5) Removing the letter E and unscrambling refdbin
6) Removing the letter B and unscrambling refdein
7) Removing the letter I and unscrambling refdebn
8) Removing the letter N and unscrambling refdebi

More anagrams containing the letters R E F D E B I N
refdebni refdeibn deribenf frndeibe