mentalmente

gedanklich; im Kopf

Antes del examen, repasé mentalmente todo el temario. Before the exam I went over the whole syllabus in my head.

Calculó mentalmente cuánto costaría el viaje antes de decidir. She worked out in her head how much the trip would cost before deciding.

geistig; psychisch

Está mentalmente agotada después de un año tan difícil. She is mentally exhausted after such a difficult year.