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n. 1. Physical or mental strength, energy, or force: Our vigor was depleted by the hot weather. 2. The capacity for natural growth and survival, as of plants or animals. 3. Strong feeling; enthusiasm or intensity: argued his point with great vigor. [Middle English, from Old French, from Latin, from vigēre, to be lively; see weg- in the Appendix of Indo-European roots.] Synonyms: vigor, dash1, punch2, verve, vim, vitality These nouns denote a quality of spirited force or energy: intellectual vigor; played the piano with dash; an editorial with real punch; painted with verve; arguing with his usual vim; a decreased mental vitality. |
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