Efficient (adjective)

1. Producing desired results with a minimum of effort, expense or waste.
2. Performing or functioning in the best possible manner with the least waste of time and effort.

Origin:

From the latin word "efficientem" meaning "working out, accomplishing".

Examples:

1. An efficient worker is one who produces a large amount of output with a minimum of input.
2. The new system is much more efficient than the old one.
3. Efficient use of resources is essential for the long-term survival of any organization.
4. The company is looking for ways to make its operations more efficient.
5. Efficient time management is crucial for success in the business world.