Unscramble Derdieref

What is the meaning of word derdieref unscrambled?

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

Make more words by adding or removing letters

How many 8 letter words can you make from letters D E R D I E R E F?

1. deferred - Definition of deferred

2. redefied - Definition of redefied

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter D and unscrambling erdieref
2) Removing the letter E and unscrambling drdieref
3) Removing the letter R and unscrambling dedieref
4) Removing the letter D and unscrambling derieref
5) Removing the letter I and unscrambling derderef
6) Removing the letter E and unscrambling derdiref
7) Removing the letter R and unscrambling derdieef
8) Removing the letter E and unscrambling derdierf
9) Removing the letter F and unscrambling derdiere

More anagrams containing the letters D E R D I E R E F
derdierfe derdifeer reedifdre riederedf