| acre | (noun) a unit of area (4840 square yards) used in English-speaking countries | - |
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| massacre | (noun) the savage and excessive killing of many people | Synonyms: butchery, carnage, mass murder, slaughter |
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| (verb) kill a large number of people indiscriminately | Synonyms: mow down, slaughter |
| nacre | (noun) the iridescent internal layer of a mollusk shell | Synonyms: mother-of-pearl |
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| wiseacre | (noun) an upstart who makes conceited, sardonic, insolent comments | Synonyms: smart aleck, weisenheimer, wise guy, wisenheimer |
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