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English definition of “sustain”

sustain

verb [T]  /səˈsteɪn/ us  

sustain verb [T] (MAINTAIN)

to keep something in operation; maintain: It is hard to see what will sustain them when they have no income.

sustain verb [T] (SUFFER)

fml to suffer or experience damage or loss: She sustained serious injuries in the accident.

sustain verb [T] (SUPPORT)

to support someone emotionally: Throughout the ordeal, he was sustained by the belief that he would get home.
(Definition of sustain from the Cambridge Academic Content Dictionary © Cambridge University Press)
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