Unflagging
hyper, excited, pumped, siked
Rest?
The word energetic is an adjective. It means to be full of energy.
sro
fuel, rest
The word "discount" (discounted) means at less than full price, often defined as a percentage reduction from the full price.
yorker
Feature A Feature
full of energy = enérgico
The word you are looking for is DISCOUNT.(which as an adjective discount or discountedmeans less than full price)
The root word for "vigourous" is "vigor," which means physical strength or energy. Adding the suffix "-ous" to "vigor" turns it into an adjective, describing something full of vigor or energy.