умучить v stresses
Игорь Миг	tire to death
Gruzovik, inf.	exhaust (pf of умучивать); fatigue (pf of умучивать); weary (pf of умучивать); tire (out; pf of умучивать)
inf.	fatigue; exhaust; tire (out); weary
obs.	torture to death
умучиться v
Gruzovik, inf.	be extremely exhausted (pf of умучиваться); be extremely tired out (pf of умучиваться)
inf.	fatigue; exhaust; exhausted; tire (out); weary; be extremely tired out; slog one's guts out (Andrey Truhachev); work oneself to death (Andrey Truhachev); bust a gut (Andrey Truhachev)
obs.	torture to death