Unscramble Bierredef

What is the meaning of word bierredef unscrambled?

What 9 letter words can be made from letters B I E R R E D E F:

1. debriefer - Definition of debriefer

Make more words by adding or removing letters

How many 8 letter words can you make from letters B I E R R E D E F?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter B and unscrambling ierredef
2) Removing the letter I and unscrambling berredef
3) Removing the letter E and unscrambling birredef
4) Removing the letter R and unscrambling bieredef
5) Removing the letter R and unscrambling bieredef
6) Removing the letter E and unscrambling bierrdef
7) Removing the letter D and unscrambling bierreef
8) Removing the letter E and unscrambling bierredf
9) Removing the letter F and unscrambling bierrede

More anagrams containing the letters B I E R R E D E F
bierredfe bierreedf eefibrdre reierdefb