From the latin onerōsus, expensive is an adjective that means any what is heavy from the economic point of view, which is expensive and that causes significant and excessive fees. For example: "we will have to move: the rent of this firm is expensive ', «At Christmas, I offered many expensive gifts that I could avoid given my delicate economic situation», «our son wants a dog, but it would be a costly investment for our budget.
In the area of the law, an onerous contract is an act which encompasses a any consideration. This kind of contract, in general, part of the principle of the existence of benefits and reciprocal charges with equivalent sacrifice for both parties. Operations of purchase and sale may governing by contracts for consideration insofar as the seller Gets a benefit for what it sells and, in turn, provides a thing given, while the buyer receives what he bought and must pay something in Exchange.
A costly cause, in the same sense, is one that involves a commutation of benefits. What distinguishes the contract or the Act for consideration, it is that latter implies reciprocal benefits between those who acquire and transmit.
The idea of expensive is used in politics to refer to the expenditure of the State. Governments must ensure public money, because it belongs to all citizens; that said, they are unable to use at their discretion. Opposition political parties and the media speak of costly expenditure when it comes to dispensable or little useful expenses that can be avoided.
Travel (travel) of government officials, the inauguration of certain projects, the financing of political campaigns considered insignificant and the excess of official advertising are part of what is costly expenditure.