| sustainability | (noun) the property of being sustainable | - |
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| sustainer | (noun) someone who upholds or maintains | Synonyms: maintainer, upholder |
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| sustainment | (noun) the act of sustaining life by food or providing a means of subsistence | Synonyms: maintenance, sustenance, sustentation, upkeep |
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| sustenance | (noun) the act of sustaining life by food or providing a means of subsistence | Synonyms: maintenance, sustainment, sustentation, upkeep |
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| (noun) a source of materials to nourish the body | Synonyms: aliment, alimentation, nourishment, nutriment, nutrition, victuals |
| (noun) the financial means whereby one lives | Synonyms: bread and butter, keep, livelihood, living, support |
| sustentation | (noun) the act of sustaining life by food or providing a means of subsistence | Synonyms: maintenance, sustainment, sustenance, upkeep |
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