| sump | (noun) a well or other hole in which water has collected | - |
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| (noun) an oil reservoir in an internal combustion engine | - |
| (noun) a covered cistern; waste water and sewage flow into it | Synonyms: cesspit, cesspool, sink |
| sumpsimus | (noun) a correct expression that takes the place of a popular but incorrect expression | - |
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| sumpter | (noun) an animal (such as a mule or burro or horse) used to carry loads | Synonyms: pack animal |
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| sumptuosity | (noun) the quality possessed by something that is excessively expensive | Synonyms: lavishness, luxury, sumptuousness |
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| sumptuousness | (noun) the quality possessed by something that is excessively expensive | Synonyms: lavishness, luxury, sumptuosity |
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| (noun) wealth as evidenced by sumptuous living | Synonyms: luxuriousness, luxury, opulence |