Unscramble Imrref

What is the meaning of word imrref unscrambled?

What 6 letter words can be made from letters I M R R E F:

1. firmer - Definition of firmer

Make more words by adding or removing letters

How many 5 letter words can you make from letters I M R R E F?

1. Fermi - Definition of Fermi

2. firer - Definition of firer

3. frier - Definition of frier

4. rifer - Definition of rifer

5. rimer - Definition of rimer

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling mrref
2) Removing the letter M and unscrambling irref
3) Removing the letter R and unscrambling imref
4) Removing the letter R and unscrambling imref
5) Removing the letter E and unscrambling imrrf
6) Removing the letter F and unscrambling imrre

More anagrams containing the letters I M R R E F
imrrfe irefmr mrfire rirmef