15-letter words containing effi
- efficaciousness — capable of having the desired result or effect; effective as a means, measure, remedy, etc.: The medicine is efficacious in stopping a cough.
- efficient cause — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
- fuel efficiency — the (least) amount of fuel used in proportion to the number of miles travelled
- hull efficiency — the ratio of the quantity of work required to tow a certain hull at a given speed to that required to drive it with a certain propeller: used in propeller design.
- inefficaciously — Without efficacy or effect.
- non-efficacious — capable of having the desired result or effect; effective as a means, measure, remedy, etc.: The medicine is efficacious in stopping a cough.
- sheffield plate — sheet copper with a cladding of silver.
- super-efficient — performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient assistant.
- superefficiency — the quality or condition of being superefficient
On this page, we collect all 15-letter words with EFFI. It’s easy to find right word with a certain length. It is the easiest way to find 15-letter word that contains EFFI to use in Scrabble or Crossword puzzles.