Insuperable means 'insurmountable' or 'unbeatable'. It's a strong adjective that conveys a sense of being superior and impossible to overcome.
In the context of the song, the singer uses this word to assert her strength and resilience after a breakup. She tells her ex, "Ya te diste cuenta ¿no? Soy insuperable" (You've realized, haven't you? I'm unbeatable), highlighting her confidence and the fact that he can't find anyone better than her. It's a powerful declaration of self-worth.
Have you ever had an ex come back after they broke your heart? In "Te Estabas Tardando," Yuridia sings about this exact moment, but with a powerful twist. The song opens with her ex-lover returning, crying and looking for help, which is a big change from how they used to be. The singer isn't falling for it, though. She knows they're just trying to win her back now that their own plans have failed.
This is a song of ultimate confidence and vindication. The chorus, "Te estabas tardando en venir a buscarme" (You were taking your time coming to look for me), shows she was expecting this all along. She declares herself "insuperable" (irreplaceable) and enjoys seeing her ex on their knees, realizing their mistake. But instead of seeking personal revenge, she leaves it all to a higher power, singing, "El karma te va a cobrar y caro vas a pagar" (Karma will charge you, and you'll pay dearly).