Unscramble Lifdef

What is the meaning of word lifdef unscrambled?

What 6 letter words can be made from letters L I F D E F:

Make more words by adding or removing letters

How many 5 letter words can you make from letters L I F D E F?

1. felid - Definition of felid

2. field - Definition of field

3. fifed - Definition of fifed

4. filed - Definition of filed

5. flied - Definition of flied

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter L and unscrambling ifdef
2) Removing the letter I and unscrambling lfdef
3) Removing the letter F and unscrambling lidef
4) Removing the letter D and unscrambling lifef
5) Removing the letter E and unscrambling lifdf
6) Removing the letter F and unscrambling lifde

More anagrams containing the letters L I F D E F
lifdfe lifedf fldfie lffdei