Vigorous meaning: Rigorous also denotes thorough

Rigorous also denotes thorough or accurate way, whereas vigorous defines the energetic attribute, it means lively and strength of body or mind. Rigorous and vigorous both are used to define the attitude, a way or an approach with some specific characteristics. VIGOROUS meaning: 1. very forceful or energetic: 2. healthy and strong: 3. very forceful or energetic: . Learn more. Vigorous means very forceful or energetic, or healthy and strong. Learn how to use this adjective in different contexts with examples from the Cambridge English Corpus. Anything vigorous is done with force and energy. Vigorous exercise makes you sweat, and a vigorous denial makes someone else sweat.