boost -
A source of help or encouragement leading to increase or improvement
When he woke up after only a few hours of sleep, Mike knew he needed a cup of coffee to give him a boost.
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unstoppable -
So powerful, determined, or effective that it cannot be halted, defeated, or resisted.
With their star player back, the team were unstoppable, and won one game after another.
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virile -
A man being full of sexual strength and energy in a way that is considered attractive
Many women like Russel Crowe's virile energy as depicted in the movie Gladiator.
verb
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flourish -
To grow or develop in a healthy or vigorous way, especially as the result of a particularly favorable environment
With a healthy diet, children will flourish into healthy adults.
noun
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stamina -
The ability to sustain prolonged physical or mental effort
Long-distance runners have plenty of stamina as they run for miles and miles without stopping.
noun
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flourish -
A bold or extravagant gesture or action, made especially to attract the attention of others
As a final flourish, the basketball player broke the glass backboard with his slam dunk.
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marathon -
Referring to an activity that takes a long time and a great deal of effort
After the company's computers crashed, 30 programmers worked together in a 15 hour marathon debugging session to get the computers up and running again.
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enthusiastic -
Feeling or showing a great deal of excitement and interest about somebody or something.
Bill was enthusiastic about baseball, went to baseball games as often as he could, and spent hours each day learning about baseball players and teams.
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peppy -
Lively and high-spirited
Landon's dog was so peppy that he ran 50 yards in a matter of seconds.
noun
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mystique -
A fascinating aura of mystery, awe, and power surrounding someone or something
For centuries, the mystique surrounding King Tut has fascinated millions of people.
noun
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vigor -
Physical strength and good health
A bicycle-oriented workout will result in increased vigor over time.
verb
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boost -
Help or encourage (something) to increase or improve
Pete bought ten lottery tickets instead of one because he figured that would boost his chances of winning.