Final answer:
The crime of which Hester Prynne stands condemned is adultery in 'The Scarlet Letter'.
Step-by-step explanation:
The crime for which Hester Prynne stands condemned is adultery in the novel 'The Scarlet Letter' by Nathaniel Hawthorne. Hester engages in an extramarital affair and becomes pregnant, leading to her punishment of wearing a scarlet letter 'A' on her clothing as a symbol of her sin.