| pest | (noun) any unwanted and destructive insect or other animal that attacks food or crops or livestock etc. | - |
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| (noun) a persistently annoying person | Synonyms: blighter, cuss, gadfly, pesterer |
| (noun) any epidemic disease with a high death rate | Synonyms: pestilence, plague |
| (noun) a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal | Synonyms: pestilence, pestis, plague |
| pester | (verb) annoy persistently | Synonyms: badger, beleaguer, bug, tease |
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| pestered | (adjective) troubled persistently especially with petty annoyances | Synonyms: annoyed, harassed, harried, vexed |
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| pesterer | (noun) a persistently annoying person | Synonyms: blighter, cuss, gadfly, pest |
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| pestering | (adjective) causing irritation or annoyance | Synonyms: annoying, bothersome, galling, irritating, nettlesome, pesky, pestiferous, plaguey, plaguy, teasing, vexatious, vexing |
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| pesthole | (noun) a breeding ground for epidemic disease | - |
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| pesthouse | (noun) hospital for persons with infectious diseases (especially leprosy) | Synonyms: lazar house, lazaret, lazarette, lazaretto |
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| pesticide | (noun) a chemical used to kill pests (as rodents or insects) | - |
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| pestiferous | (adjective) causing irritation or annoyance | Synonyms: annoying, bothersome, galling, irritating, nettlesome, pesky, pestering, plaguey, plaguy, teasing, vexatious, vexing |
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| (adjective) likely to spread and cause an epidemic disease | Synonyms: pestilent, pestilential, plaguey |
| (adjective) tending to corrupt or pervert | Synonyms: corruptive, perversive |
| (adjective) contaminated with infecting organisms | Synonyms: dirty |
| pestilence | (noun) a pernicious and malign influence that is hard to get rid of | Synonyms: canker |
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| (noun) any epidemic disease with a high death rate | Synonyms: pest, plague |
| (noun) a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal | Synonyms: pest, pestis, plague |
| pestilent | (adjective) likely to spread and cause an epidemic disease | Synonyms: pestiferous, pestilential, plaguey |
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| (adjective) exceedingly harmful | Synonyms: baneful, deadly, pernicious |
| pestilential | (adjective) likely to spread and cause an epidemic disease | Synonyms: pestiferous, pestilent, plaguey |
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| pestis | (noun) a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal | Synonyms: pest, pestilence, plague |
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| pestle | (noun) a club-shaped hand tool for grinding and mixing substances in a mortar | - |
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| (noun) a heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone | Synonyms: muller, pounder |
| (noun) machine consisting of a heavy bar that moves vertically for pounding or crushing ores | Synonyms: stamp |
| (verb) grind, mash or pulverize in a mortar | - |
| pesto | (noun) a sauce typically served with pasta; contains crushed basil leaves and garlic and pine nuts and Parmesan cheese in olive oil | - |
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