| sustain | (verb) undergo (as of injuries and illnesses) | Synonyms: get, have, suffer |
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| (verb) establish or strengthen as with new evidence or facts | Synonyms: affirm, confirm, corroborate, substantiate, support |
| (verb) admit as valid | - |
| (verb) supply with necessities and support | Synonyms: keep, maintain |
| (verb) provide with nourishment | Synonyms: nourish, nurture |
| (verb) be the physical support of; carry the weight of | Synonyms: hold, hold up, support |
| (verb) lengthen or extend in duration or space | Synonyms: keep up, prolong |
| sustainability | (noun) the property of being sustainable | - |
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| sustainable | (adjective) capable of being sustained | - |
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| sustained | (adjective) maintained at length without interruption or weakening | - |
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| (adjective) (of an electric arc) continuous | Synonyms: free burning |
| 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 |
| sustentacular | (adjective) serving to sustain or support | - |
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| sustentation | (noun) the act of sustaining life by food or providing a means of subsistence | Synonyms: maintenance, sustainment, sustenance, upkeep |
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