The phrase "evil stepmother" refers to a negative portrayal of a stepmother in fairy tales and stories. It suggests that she is mean, cruel, or unkind towards her stepchildren. Full definition
Not this follow - up to «Snow White and the Huntsman», which starred Kristen Stewart as Snow White and Charlize Theron as her hot evil stepmother. (timeout.com)
The Bear and the Nightingale by Katherine Arden Evil stepmothers and fairy tales are a classic combo. (bookpage.com)