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English definition of “sustenance”

sustenance

noun [U] (SUPPORT)    /ˈsʌs.tɪ.nəns/ formal
emotional or mental support: When her husband died, she drew sustenance from/she found sustenance in her religious beliefs.Backing, supporting and defendingDefending and protecting
(Definition of sustenance noun (SUPPORT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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