indebolire betyder på engelska

fatigue [fatigued, fatiguing, fatigues]▼(to tire or make weary)
verb
[UK: fə.ˈtiːɡ] [US: fə.ˈtiːɡ]

sap [sapped, sapping, saps]▼(make unstable; weaken)
verb
[UK: sæp] [US: ˈsæp]

waste [wasted, wasting, wastes]▼(to decay)
verb
[UK: weɪst] [US: ˈweɪst]

weaken [weakened, weakening, weakens]▼(to make weaker)
verb
[UK: ˈwiːkən] [US: ˈwiːkən]John is weakening. = John si sta indebolendo.