vigorous
Translation
vigorous, energetic, strong, strenuous
Examples
He is a vigorous 90-year-old.
He is a vigorous 90-year-old.
They had a vigorous debate about politics.
They had a vigorous debate about politics.
She does 20 minutes of vigorous exercise every day.
She does 20 minutes of vigorous exercise every day.
Grammar Patterns
((a vigorous (noun))) an energetic (noun) He is a vigorous opponent of the plan.
Similar Words
Synonyms: energetic, robust, strenuous; Antonyms: weak, feeble, lethargic
Etymology
From the noun 'vigor' plus the adjective-forming suffix '-ous', meaning 'full of'.
Memory Tips
If you are 'vigorous', you are 'full of vigor'. The '-ous' suffix often means 'full of'.