retardation
1. |
(noun) lack of normal development of intellectual capacities |
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Synonyms: backwardness, mental retardation, slowness, subnormality |
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Related Words: Down syndrome, Down's syndrome, abnormality, amentia, idiocy, imbecility, mental defectiveness, mental deficiency, mongolianism, mongolism, moronity, stupidity, trisomy 21 |
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2. |
(noun) the act of slowing down or falling behind |
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Synonyms: lag, slowdown |
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Related Words: delay, detention, holdup |
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3. |
(noun) decrease in velocity |
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Synonyms: deceleration, slowing |
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Related Words: fastness, speed, swiftness |
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