Unscramble Usingffid

What is the meaning of word usingffid unscrambled?

What 9 letter words can be made from letters U S I N G F F I D:

1. diffusing - Definition of diffusing

Make more words by adding or removing letters

How many 8 letter words can you make from letters U S I N G F F I D?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling singffid
2) Removing the letter S and unscrambling uingffid
3) Removing the letter I and unscrambling usngffid
4) Removing the letter N and unscrambling usigffid
5) Removing the letter G and unscrambling usinffid
6) Removing the letter F and unscrambling usingfid
7) Removing the letter F and unscrambling usingfid
8) Removing the letter I and unscrambling usingffd
9) Removing the letter D and unscrambling usingffi

More anagrams containing the letters U S I N G F F I D
usingfidf usingfifd insuigffd sunffiigd