Unscramble Iddering

What is the meaning of word iddering unscrambled?

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

1. deriding - Definition of deriding

Make more words by adding or removing letters

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

1. dingier - Definition of dingier

2. giddier - Definition of giddier

3. grinded - Definition of grinded

4. Redding - Definition of Redding

5. ridding - Definition of ridding

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling ddering
2) Removing the letter D and unscrambling idering
3) Removing the letter D and unscrambling idering
4) Removing the letter E and unscrambling iddring
5) Removing the letter R and unscrambling iddeing
6) Removing the letter I and unscrambling idderng
7) Removing the letter N and unscrambling idderig
8) Removing the letter G and unscrambling idderin

More anagrams containing the letters I D D E R I N G
idderngi iddernig irgedind dgidiner