Unscramble Simsersts

What is the meaning of word simsersts unscrambled?

What 9 letter words can be made from letters S I M S E R S T S:

Make more words by adding or removing letters

How many 8 letter words can you make from letters S I M S E R S T S?

1. mistress - Definition of mistress

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling imsersts
2) Removing the letter I and unscrambling smsersts
3) Removing the letter M and unscrambling sisersts
4) Removing the letter S and unscrambling simersts
5) Removing the letter E and unscrambling simsrsts
6) Removing the letter R and unscrambling simsests
7) Removing the letter S and unscrambling simserts
8) Removing the letter T and unscrambling simserss
9) Removing the letter S and unscrambling simserst

More anagrams containing the letters S I M S E R S T S
simsertss simsesrst irmsssste stssismre