| EFF | capacity or power to produce a desired effect |
|---|---|
| EFF | skillfulness in avoiding wasted time and effort |
| EFF | the ratio of the output to the input of any system |
| EFF | a furnished apartment with a kitchenette and bathroom |
| EFF | an expert in increasing the efficient use of machines and personnel |
| EFF | an expert in increasing the efficient use of machines and personnel |
| EFF | able to accomplish a purpose |
| EFF | being effective without wasting time or effort or expense |
| EFF | in an efficient manner |
| EFF | a representation of a person (especially in the form of sculpture) |
| EFF | a rhythmic stroking |
| EFF | become encrusted with crystals due to evaporation |