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English definition of “vigorous”

vigorous

adjective     /ˈvɪɡ.ər.əs/ US  /-ɚ-/
very forceful or energetic: a vigorous debate There has been vigorous opposition to the proposals for a new road. He takes plenty of vigorous exercise.Energetic and lively healthy and strong: Cutting the bush back in the autumn will help promote vigorous growth in the spring.Fit and healthy vigorously     /-li/ adverb Energetic and lively
(Definition of vigorous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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