Unscramble Useffid

What is the meaning of word useffid unscrambled?

What 7 letter words can be made from letters U S E F F I D:

1. diffuse - Definition of diffuse

Make more words by adding or removing letters

How many 6 letter words can you make from letters U S E F F I D?
Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling seffid
2) Removing the letter S and unscrambling ueffid
3) Removing the letter E and unscrambling usffid
4) Removing the letter F and unscrambling usefid
5) Removing the letter F and unscrambling usefid
6) Removing the letter I and unscrambling useffd
7) Removing the letter D and unscrambling useffi

More anagrams containing the letters U S E F F I D
usefidf usefifd fisefud fdsfeui