Learn the meaning of efficient as an adjective, and find out how it differs from effective. Compare efficient with other related words and see examples of usage in various contexts. efficient meaning, definition, what is efficient: if someone or something is efficient, th...: Learn more. Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task. In a more general sense, it is the ability to do things well, successfully, and without waste. In more mathematical or scientific terms, it signifies the level of performance that uses the least amount of inputs to achieve the highest amount of output. It often specifically comprises the capability of a specific application of effort to produce a ... Learn the meaning of efficient as an adjective that describes doing something in a good, careful and complete way with no waste of time, money or energy. See how to use efficient in sentences, collocations and contrast with inefficient.
