Other words for strong or vigorous are robust or active.
robust
Robust
Vigorous.
Synonyms can include strength, health, vitality, hardiness, robustness, or sturdiness. But for people, there is usually a connotation of being energetic, as in energy and enthusiasm.
1. full of or characterized by vigor: a vigorous effort.2. strong; active; robust: a vigorous youngster. 3. energetic; forceful: vigorous steps; a vigorous personality.4. powerful in action or effect: vigorous law enforcement.5. growing well, as a plant.
Powerful, burly, brawny, muscular, strapping, sturdy, well-built, beefy, stalwart, and tough.
1. full of or characterized by vigor: a vigorous effort.2. strong; active; robust: a vigorous youngster. 3. energetic; forceful: vigorous steps; a vigorous personality.4. powerful in action or effect: vigorous law enforcement.5. growing well, as a plant.
healthy, well, strong, robust, sound, fit, flourishing, vigorous
strong, vigorous, powerful, muscular, hard, tough, stringy, athletic, sturdy
The word validus in Latin means "strong, vigorous". Of people, it can mean "healthy"; of medicines, "effective".
Sturdy, hearty, robust, and countless other synonyms you can search up on google
The word 'mighty' has as synonyms the words brave, courageous, strengthy, robust and vigorous. The word mighty can also have the meaning of wieldy or strong as an ox.