1. effective
  2. efficacious
  3. efficient

Synonyms for efficax

Similar to efficax

  • efficacitereffectively, efficiently
  • efficenseffective, efficient
  • efficentereffectively, efficiently, powerfully
  • efficiobring about, cause, effect, make, produce, prove, to bring to pass, to do
  • effigiaappartition, effigy, ghost, ideal, idol, likeness
  • effigiesappartition, effigy, ghost, ideal, idol, likeness
  • effectorproducer, someone who causes something
  • effectrixproducer, someone who causes something
  • effectusdoing, effect, execution, performance, rendered, result
  • effeminatuswomanish