Focus on the pronunciation of efficient
English definition of “efficient”
› using resources such as time, materials, or energy well without wasting any: an efficient method/use/way The car combines an efficient 2.3-liter four-cylinder gas engine with a battery pack and electric motor. He is a leading proponent of broad changes in the Postal Service to make it more efficient and competitive.
› working well and quickly: an efficient operation/service/system The lawyers working on the case were skilled, efficient, and fair. efficiently /ɪˈfɪʃəntli/ adverb › Incentives like these encourage airlines to move the maximum number of passengers as quickly and efficiently as possible. → Compare inefficient → See also cost-effective, fuel-efficient