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| racket | 
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| n.  device consisting of an oval frame with a tight interlaced network of strings and a handle; wooden paddle, as one used in table tennis | 
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| radical | 
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| a. Syn. drastic; extreme drastic; extreme; arising from or going to a root or source; basic | 
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| radius | 
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| n.  right line drawn or extending from the center of a circle to the periphery | 
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| ragged | 
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| a. Syn. torn; worn torn; worn; having an irregular surface or edge; uneven or jagged in outline | 
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| rail | 
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| v. Syn. scold; rant scold; express objections or criticisms in bitter, harsh, or abusive language | 
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| ramble | 
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| v. Syn. wander wander aimlessly; move about aimlessly; walk about casually or for pleasure | 
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| rampant | 
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| a. Syn. wild; extravagant unrestrained and violent; occurring without restraint | 
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| ratio | 
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| n. Syn. rate; proportion relation which one quantity or magnitude has to another of the same kind; rate; proportion | 
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| readily | 
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| ad. Syn. easily; quickly; promptly easily; quickly; in a prompt, timely manner; promptly | 
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| reap | 
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| v. Syn. gain; harvest; glean gain; harvest a crop from; get or derive; obtain as a result of effort | 
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| recession | 
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| n. Syn. withdrawal; retreat withdrawal; retreat; time of low economic activity |