Words · Familiar
efficacious
/ˌɛfəˈkeɪʃəs/ · 11 letters · 8 distinct letters
- adjective
marked by qualities giving the power to produce an intended effect; -Aldous Huxley
written propaganda is less efficacious than the habits and prejudices...of the readers
- adjective
producing or capable of producing an intended result or having a striking effect; -LewisMumford
an air cooled motor was more effective than a witch's broomstick for rapid long distance transportation