Vigorous means powerful and energetic.
My dad is very vigorous because he's gotten a lot of muscle.
To be honest I'd focus on basic grammar before adding words such as vigorous.
I enjoy vigorous exercise like mountain climbing.
Other words for strong or vigorous are robust or active.
After vigorous workout, he was breathing heavily and sweat covered his face.Despite a vigorous effort, he wasn't able to outrun his opponent.I was looking forward to a casual stroll, but he walked at a vigorous pace.I took a vigorous course in calculus last year.The water ripped through the rocks vigorously, as the rapids steadily contributed more hydrolic power.
Vigorous.
robust
When making a mixed drink, it is advisable to shake the beverage along with crushed ice in a vigorous fashion. John completes all duties in a vigorous manor.
Working on the house in 100 degree weather was vigorous work.
Well, honey, the prefix of "vigorous" is "vi-". It's like the appetizer before the main course, adding a little extra flavor to the word. So, next time you see a word like "vigorous", just remember that "vi-" is the little side dish that comes with it.
Robust
vigorous
He runs very vigorously in a race.