Words similar to stepmother-in-law

Example sentences for: stepmother-in-law

How can you use “stepmother-in-law” in a sentence? Here are some example sentences to help you improve your vocabulary:

I want to be understood perfectly but also don't want to cause problems with my stepmother-in-law.
Recently, my stepmother-in-law has taken to saying some unkind words about my mother-in-law.