Word a Day
efficacious
What does efficacious mean?
efficacious (adjective): marked by qualities giving the power to produce an intended effect.
Definition: Princeton WordNet 3.1.
How do you use efficacious in a sentence?
- The medicine is efficacious in stopping a cough. (Princeton WordNet 3.1)
How do you pronounce efficacious?
/ˌɛfəˈkeɪʃəs/ (IPA, American English). The app reads every word aloud.
Words related to efficacious
From Princeton WordNet 3.1.
Test yourself: do you know “efficacious”?
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What does “efficacious” mean?
lacking freshness, palatability, or showing deterioration from age
Not quite: that's what stale means.
marked by qualities giving the power to produce an intended effect
Right! That's what “efficacious” means.
similar or equivalent in some respects though otherwise dissimilar
Not quite: that's what analogous means.
composed of inherently different or distinct elements; incongruous
Not quite: that's what disparate means.
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