Betrayal and its consequences
Jason's betrayal sets everything in motion. Euripides shows that betrayal doesn't just hurt feelings. It strips Medea of her legal standing, her home, and her future. The play traces what happens when someone with nothing left to lose decides to act.
Gender and powerlessness
Medea's speech to the Chorus lays out exactly how little power women have in Greek society. They can't choose their husbands, can't leave bad marriages, and have no legal recourse. Medea's violence is extreme, but Euripides connects it directly to a system that left her no legitimate options.
Reason versus emotion
Medea is terrifyingly rational. She plans carefully, delays, secures an escape route, and executes each step. But she's also driven by rage and grief. The play refuses to separate these two things. Her reason serves her emotion, and that combination is what makes her dangerous.
The outsider in a hostile world
Medea is foreign, female, and now abandoned. Every institution in Corinth works against her. Creon fears her. Jason uses her. The law ignores her. Her isolation isn't just emotional. It's structural, and the play shows how that isolation produces someone who has nothing to lose.
Justice and revenge
Medea frames her actions as justice. Jason broke his oaths; she's making him pay. But the play makes it impossible to call what she does justice in any clean sense. Euripides puts the two ideas next to each other and forces the audience to decide where one ends and the other begins.