—n. 1. any state, circumstance, opportunity, or means specially favorable to success, interest, or any desired end: the advantage of a good education. 2. benefit; gain; profit: It will be to his advantage to learn Chinese before going to China. 3. superiority or ascendancy (often fol. by over or of): His height gave him an advantage over his opponent. 4. a position of superiority (often fol. by over or of): their advantage in experienced players. 5. Tennis.the first point scored after deuce.
6. have the advantage of, to be in a superior or advantageous position; possess an advantage over: By virtue of independent wealth, he has the advantage of his opponents. 7. take advantage of, a. to make use of for gain: to take advantage of an opportunity. b. to impose upon, esp. unfairly, as by exploiting a weakness: to take advantage of someone. 8. to advantage, to good effect; advantageously: The paintings were arranged to advantage on one wall.
—v.t. 1. to be of service to; yield profit or gain to; benefit.
2. to cause to advance; further; promote: Such action will advantage our cause. 3. to prove beneficial to; profit: It would advantage him to work harder.