📖 Definitions of "Efficacious"
adjective
- 1
Effective; possessing efficacy.
"This medicine is efficacious."
🔄 Synonyms of "Efficacious"
7 synonyms found via WordNet and Google Books.
| Word | Definition |
|---|---|
| impressive | Making, or tending to make, a positive impression; having power to impress. |
| trenchant | (figuratively) Keen; biting; vigorously articulate and effective; severe. |
| effectual | Producing the intended result; entirely adequate. |
| effectivenoun | Having the power to produce a required effect or effects. |
| tellingnoun | Revealing information; bearing significance. |
| hard-hitting | Aggressively vigorous or forceful. |
| impelling | Causing forward motion or action. |
↔️ Antonyms of "Efficacious"
Words with the opposite meaning.
| Word | Definition |
|---|---|
| ineffectual | Unable or insufficient to produce effect. |
| ineffective | Not having the desired effect; ineffectual; otiose. |
| inefficacious | Not effective. |
| uneffective | Synonym of ineffective. |
💡 Words with a Similar Meaning to "Efficacious"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| effectual | Producing the intended result; entirely adequate. |
| effective | Having the power to produce a required effect or effects. |
| impressive | Making, or tending to make, a positive impression; having power to impress. |
| telling | Revealing information; bearing significance. |
| hard-hitting | Aggressively vigorous or forceful. |
| trenchant | (figuratively) Keen; biting; vigorously articulate and effective; severe. |
| impelling | Causing forward motion or action. |
| efficacynoun | A degree of ability to produce a desired effect; effectiveness. |
| effectively | Essentially, in effect, for all practical purposes. |
| effectivenessnoun | The property of being effective, of achieving results. |
| efficiently | In an efficient manner. |
| efficiencynoun | The extent to which a resource is used for the intended purpose. |
| efficient | Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy. |
| successful | Resulting in success; assuring or promoting success; accomplishing what was proposed; having the desired effect. |
| potentnoun | Powerful; possessing power; effective. |
| powerful | Having, or capable of exerting, power or influence. |
| productive | Capable of producing something, especially in abundance; fertile. |
| useful | Having a practical or beneficial use. |
| beneficialnoun | Helpful or good to something or someone. |
| operativenoun | Functional, in working order. |
⚡ Words Strongly Associated with "Efficacious"
These words statistically appear in the same text as "efficacious" (Google Books Ngrams).
🎨 Adjectives for "Efficacious"
Popular adjectives used to describe this word in books.
🏷️ Nouns for "Efficacious"
Common nouns this word is used to describe.
📝 Common Phrases with "Efficacious"
Words that come before
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