The sentence that contains an example that helps the reader understand the meaning of "frugal" is:
Our frugal lifestyle included clipping coupons and waiting for sales before shopping.
In this sentence there is not such thing as a definition or a synonym of <em>frugal</em>, but there is an illustration or exemplification of the word that allows the reader to understand the meaning of this word.
Explanation:I would feel great.I would be proud that all my hard work finally paid off.Practice makes something close to perfection and i had made it to that level.I would work harder to get even more medals though...mainly because i like shiny things