WordNet (r) 3.0 (2006):
vigour n 1: forceful exertion; "he plays tennis with great energy"; "he's full of zip" [syn: energy, vigor, vigour, zip] 2: active strength of body or mind [syn: vigor, vigour, dynamism, heartiness] 3: an imaginative lively style (especially style of writing); "his writing conveys great energy"; "a remarkable muscularity of style" [syn: energy, muscularity, vigor, vigour, vim]