Unscramble Idtdrefs

What is the meaning of word idtdrefs unscrambled?

What 8 letter words can be made from letters I D T D R E F S:

Make more words by adding or removing letters

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

1. drifted - Definition of drifted

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling dtdrefs
2) Removing the letter D and unscrambling itdrefs
3) Removing the letter T and unscrambling iddrefs
4) Removing the letter D and unscrambling idtrefs
5) Removing the letter R and unscrambling idtdefs
6) Removing the letter E and unscrambling idtdrfs
7) Removing the letter F and unscrambling idtdres
8) Removing the letter S and unscrambling idtdref

More anagrams containing the letters I D T D R E F S
idtdresf idtdrfes sdftider estfdrid