How do you pronounce efficacious?

efficacious is pronounced as /ˌɛfɪˈkeɪʃəs/.

Vocabularies
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efficacious

💊efficacious

adjective

/ˌɛfɪˈkeɪʃəs/

effete efficacy

efficacious definition card — visual illustration of the meaning

efficacious synonyms and antonyms card — visual word comparison

efficacious collocation card — common word combinations and phrases

Meaning

Effective in producing the desired result.

Successful in producing a desired or intended result; effective.

Effective for a specific purpose

Example Sentences

The medicine proved efficacious in treating the disease.

The vaccine proved highly efficacious in preventing infections.

This medicine is highly efficacious in treating headaches.

Synonyms

effective, powerful, successful, efficient, useful, potent, Effective, Productive, Efficient

Entry 1

effective, powerful, successful, efficient, useful

Entry 2

effective, potent, successful

Entry 3

Effective, Productive, Efficient

Antonyms

ineffective, useless, powerless, inefficient, futile, Ineffective, Useless, Inefficient

Entry 1

ineffective, useless, powerless

Entry 2

ineffective, inefficient, futile

Entry 3

Ineffective, Useless, Inefficient

Collocations

efficacious remedy, efficacious treatment, highly efficacious, prove efficacious

Related Vocabularies

refractory

Stubborn or resistant to control, authority, or treatment.

Ceremonial

relating to or used in ceremonies; formal and ritualistic

Momentous

of great importance or significance; having far-reaching consequences

vitriolic

filled with bitter criticism or malice

sad

feeling or showing sorrow; unhappy

Dark

having little or no light; not bright or illuminated

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