This is the 12195th most frequent Spanish word.
invitada
Female guest.
In this sentence, 'invitada' is used as a noun meaning 'guest', specifically indicating a female who was invited to the event.
Ella fue la invitada principal al evento.
She was the main guest at the event.
Here, 'invitada' functions as an adjective, modifying 'escritora' (female writer), and indicates that she was specifically invited for the event.
Me sentà muy emocionado al encontrarme con la escritora invitada.
I felt very excited to meet the invited writer.
In this example, 'invitada' again serves as a noun referring to a female guest.