Unscramble Itifdef

What is the meaning of word itifdef unscrambled?

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

Make more words by adding or removing letters

How many 6 letter words can you make from letters I T I F D E F?

1. tiffed - Definition of tiffed

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tifdef
2) Removing the letter T and unscrambling iifdef
3) Removing the letter I and unscrambling itfdef
4) Removing the letter F and unscrambling itidef
5) Removing the letter D and unscrambling itifef
6) Removing the letter E and unscrambling itifdf
7) Removing the letter F and unscrambling itifde

More anagrams containing the letters I T I F D E F
itifdfe itifedf deiitff feidift