draining
v. B2 Upper Intermediate US //ˈdɹeɪnɪŋ// UK //dɹˈeɪnɪŋ// drain·ing
v. making you feel very tired, weak, or empty of energy.
v. causing a significant loss of energy, strength, or resources; exhausting.
The long meeting was quite draining.
Caring for a sick relative can be emotionally draining.
The relentless pace of modern urban life often proves draining to those who crave quiet and solitude.