In a way that shows pity or sorrow for someone else's misfortune. She listened sympathetically as her friend recounted the difficult events of the past week.
In a manner that shows understanding or shared feelings. He nodded sympathetically, indicating that he understood the challenges she was facing.
In a manner involving or mediated by the sympathetic nervous system. The pupils dilated sympathetically as part of the fight-or-flight response.
By sympathetic resonance; in response to the vibration of another object or source. The piano strings rang sympathetically when the violin hit the same frequency.