| Allg. |
exacting; exhaustible; debilitating (debilitating disease scherfas); ding-dong (ssn); all out; onerous (bigmaxus); energy-sapping (Alexey Lebedev); difficult; demanding (Min$draV); debilitating (a debilitating condition/disease/illness • The symptoms can be debilitating  merriam-webster.com Alexander Demidov); weary (Sergei Aprelikov); exhausting; fatiguing; back-breaking; back breaking; wasting (о болезни); tiring; wearisome; gruelling; all-out; tiresome; hard (Sergei Aprelikov); energy draining (VLZ_58); arduous (george serebryakov); strenuous (Abysslooker); grueling (напр, climb, race, etc Olga Okuneva); hectic; hectical; languishing; draining (MargeWebley); punishing (син. exhausting; напр. punishing climate Vadim Rouminsky) |
