A beneficial factor or combination of factors. Benefit or profit; gain: It is to your advantage to invest wisely. A relatively favorable position; superiority of means: A better education gave us the advantage. Sports The first point scored in tennis after deuce. Sports The resulting score. To afford profit or gain to; benefit. take advantage of To put to good use; avail oneself of: take advantage of all educational opportunities. take advantage of To profit selfishly by; exploit: took advantage of the customer. to advantage To good effect; favorably: The roses were displayed to advantage in a blue vase.