| enfeeblement | (noun) serious weakening and loss of energy | Synonyms: debilitation, enervation, exhaustion |
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| feeblemindedness | (noun) severe mental deficiency | - |
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| feebleness | (noun) the quality of lacking intensity or substance | Synonyms: tenuity |
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| (noun) the state of being weak in health or body (especially from old age) | Synonyms: debility, frailness, frailty, infirmity, valetudinarianism |
| nosebleed | (noun) bleeding from the nose | Synonyms: epistaxis |
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| pikeblenny | (noun) tropical American fishes; males are aggressively defensive of their territory | - |
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| snakeblenny | (noun) found in Arctic and northern Atlantic waters | Synonyms: Lumpenus lumpretaeformis |
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| treble | (noun) the pitch range of the highest female voice | Synonyms: soprano |
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