🇮🇹Italian Source WordCode: IT

efficace

Pronunciation / Transliteration: ef-fi-ka-tʃe

🇬🇧 Direct English Meaning:
Efficacious/ˌɛf.ɪˈkeɪ.ʃəs/
adjectiveCEFR C2 (Proficient)Top #14500 frequency
Full Thesaurus
🇮🇹 Example Sentence in Italian:

"La medicina è risultata molto efficace."

Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Successfully producing a intended result; effective.

    "Vaccination has proven to be highly efficacious in preventing the spread of the disease."
  2. 2

    Having the power to produce a desired effect, especially of a medicine or treatment.

    "The traditional herbal remedy proved surprisingly efficacious for her chronic cough."

Thesaurus & Semantic Spectrum

Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin 'efficax', meaning powerful or effective, stemming from the verb 'efficere' (to accomplish or bring about). It entered the English language in the late 15th century, preserving its precise formal connotation of successfully producing a desired result or effect.

Quick Vocabulary Retention Check

Which of the following is the closest synonym for "Efficacious"?

Thesaurus & Synonyms Graph

Explore Nuanced Synonyms for "Efficacious"

Discover exact matches, context-specific alternatives, and antonyms with intensity ratings in the VocabDictionary Thesaurus.

View "Efficacious" Synonym Map