What is another word for stepparent?
Pronunciation: [stˈɛpe͡əɹənt] (IPA) 
A stepparent can be defined as someone who is married to one's parent but is not their biological parent. However, there are many other terms used to describe a stepparent depending on cultural and social factors. Some common synonyms for stepparent include bonus parent, bonus mom/dad, instant parent, blended family member, co-parent, stepmom/dad, step-guardian, or parental figure. Each of these terms highlights a different aspect of the role and relationship between the stepparent and stepchild. Whatever term is used, the importance of building a strong and positive relationship between the stepparent and stepchild cannot be overstated.
