noting or relating to a drug or other substance used to improve one's performance in a sport or other activity requiring strength, stamina, etc.: The use of performance-enhancing steroids by athletes is banned.
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He throws every fiber of his being into each performance, altering his posture, elocution, temperament, and more.
The hope was that greater transparency about performance would drive results.
Tony Shalhoub, Act One Sometimes you realize the power of a performance only when it remains in your mind many months later.
Having graduated Juilliard last spring, Alex Sharp is too young to have given the performance of a lifetime.
Worse still is how much of this is being made into performance.
When the days were fine, Jean in his basket assisted at the dramatic performance in the market-place.
The rhythm of a simple tune plays favourably on a child's ear, enhancing life according to this great law.
Men's probable actions are calculated by the law of reason; but their performance is usually the result of caprice.
I thought we were in for an encore performance, but gradually the uproar died away, and by midnight all was quiet.
The promises of Bellamy and Planner were as far from fulfilment as ever; their performance as vigorous and disastrous as at first.