Meaning

1 senses
  1. (formal)Effective; possessing efficacy.

    This medicine is efficacious.

    wirksam

    де́йственныйdéjstvennyj, эффекти́вныйeffektívnyj

More definitions
  • marked by qualities giving the power to produce an intended effect
  • producing or capable of producing an intended result or having a striking effect

Translations

4 languages
Русский
By meaning 1
effective — see also effective:
Deutsch
By meaning 1
effective — see also effective:

Origin

From Old French efficacieux (whence -acious), from Latin efficāx (“efficacious”) + -ous, f

From Old French efficacieux (whence -acious), from Latin efficāx (“efficacious”) + -ous, from efficere (“to effect, to accomplish”); see effect.

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Forms

more efficacious, most efficacious
Comparativemore efficacious Lesson
Superlativemost efficacious Lesson

regular

Synonyms

2 synonyms
Close in meaning
  • producing or capable of producing an intended result or having a striking effect:effectiveeffectual

Antonyms

1 antonyms

Word family

13 related words

See also

neighbours in the dictionary
efficacious — meaning, examples, forms, synonyms | Krumeto