steprelationship means A relationship between immediate family members not related by blood, such as stepparent and stepchild. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
Etymology
From step- + relationship.
noun
- A relationship between immediate family members not related by blood, such as stepparent and stepchild.“The results of this study suggest that factors, other than the child's age, may influence the steprelationship.”