Efficacious synonyms | adjectives

Synonyms for Efficacious as an Adjective

• effective

  efficient, thrive
• effectual

  effective, thrive
• efficient

  thrive, effective
• potent

  effective, efficient
• productive

  effective, thrive
• powerful

  efficient, effective
• useful

  efficient
• strong

  property, efficient
• operative
• telling
• successful
• forceful

  property
• competent
• adequate
• active
• capable
• influential
• serviceable
• persuasive
• helpful
• advantageous

  valid
• convincing
• cogent

  property
• forcible

  property
• beneficial
• valuable
• valid
• profitable

  valid
• energetic
• sound
• impressive
• practical
• puissant
• fruitful
• compelling
• weighty
• constructive
• virtuous
• stiff
• sovereign
• authoritative
• worthwhile
• reliable
• unfailing
• infallible
• important
• significant
• impelling
• able
• trenchant