A loss of advantage, or deduction from profit, value, success, etc.; a discouragement or hindrance; objectionable feature.
Money paid back or remitted; especially, a certain amount of duties or customs, sometimes the whole, and sometimes only a part, remitted or paid back by the government, on the exportation of the commodities on which they were levied.
The most obvious drawback of social media is that they are aggressive distractions. Bill Keller
Poetry has the virtue of being able to say twice as much as prose in half the time, and the drawback, if you do not give it your full attention, of seeming to say half as much in twice the time. Christopher Fry