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Efficacious: alternatives and connections

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Efficacious

Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.

74 useful connections shown 40 reviewed relationships and 34 broader connections.
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Reviewed alternatives and contrasts

These links were deliberately created. Use the interchangeability score and guidance to judge whether a word will work in your sentence.

Similar meaning 10

Effective 84% connected

Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force,…

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Effective 84% connected

Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force,…

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Impelling 84% connected

of Impel

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Impelling 84% connected

of Impel

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Impressive 84% connected

Making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect th…

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Impressive 84% connected

Making, or tending to make, an impression; having power to impress; adapted to excite attention and feeling, to touch the sensibilities, or affect th…

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Telling 84% connected

of Tell

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Telling 84% connected

of Tell

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Trenchant 84% connected

Fitted to trench or cut; gutting; sharp.

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Trenchant 84% connected

Fitted to trench or cut; gutting; sharp.

oewn 2023 50% interchangeable

Open English WordNet links these adjective senses as similar in meaning; they are not necessarily interchangeable.

Derivationally related 2

Efficacy 74% connected

Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting…

oewn 2023 15% interchangeable

Open English WordNet records a derivational relationship between these word forms.

Efficacy 74% connected

Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting…

oewn 2023 15% interchangeable

Open English WordNet records a derivational relationship between these word forms.

See also 18

Effective 66% connected

Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force,…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Effective 66% connected

Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force,…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Effectual 66% connected

Producing, or having adequate power or force to produce, an intended effect; adequate; efficient; operative; decisive.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Effectual 66% connected

Producing, or having adequate power or force to produce, an intended effect; adequate; efficient; operative; decisive.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Efficient 66% connected

Causing effects; producing results; that makes the effect to be what it is; actively operative; not inactive, slack, or incapable; characterized by e…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Efficient 66% connected

Causing effects; producing results; that makes the effect to be what it is; actively operative; not inactive, slack, or incapable; characterized by e…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Potent 66% connected

Producing great physical effects; forcible; powerful' efficacious; as, a potent medicine.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Potent 66% connected

Producing great physical effects; forcible; powerful' efficacious; as, a potent medicine.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Powerful 66% connected

Full of power; capable of producing great effects of any kind; potent; mighty; efficacious; intense; as, a powerful man or beast; a powerful engine;…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Powerful 66% connected

Full of power; capable of producing great effects of any kind; potent; mighty; efficacious; intense; as, a powerful man or beast; a powerful engine;…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Stiff 66% connected

Not easily bent; not flexible or pliant; not limber or flaccid; rigid; firm; as, stiff wood, paper, joints.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Stiff 66% connected

Not easily bent; not flexible or pliant; not limber or flaccid; rigid; firm; as, stiff wood, paper, joints.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Strong 66% connected

Having active physical power, or great physical power to act; having a power of exerting great bodily force; vigorous.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Strong 66% connected

Having active physical power, or great physical power to act; having a power of exerting great bodily force; vigorous.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Useful 66% connected

Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpo…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Useful 66% connected

Full of use, advantage, or profit; producing, or having power to produce, good; serviceable for any end or object; helpful toward advancing any purpo…

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Utile 66% connected

Profitable; useful.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Utile 66% connected

Profitable; useful.

oewn 2023 0% interchangeable

Open English WordNet provides this as a see-also lexical relationship.

Attribute 6

Efficacy 66% connected

Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting…

oewn 2023 0% interchangeable

Open English WordNet links these concepts through an attribute relationship.

Efficacy 66% connected

Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting…

oewn 2023 0% interchangeable

Open English WordNet links these concepts through an attribute relationship.

Synonym 2

Effective 92% connected

Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force,…

oewn 2023 68% interchangeable

Open English WordNet places these words in at least one shared synset. They share a lexicalised sense, but context, register and collocation should still be checked before substitution.

Effectual 92% connected

Producing, or having adequate power or force to produce, an intended effect; adequate; efficient; operative; decisive.

oewn 2023 68% interchangeable

Open English WordNet places these words in at least one shared synset. They share a lexicalised sense, but context, register and collocation should still be checked before substitution.

Antonym 2

Inefficacious 94% connected

Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent.

oewn 2023 0% interchangeable

Open English WordNet records these words as lexical opposites.

Inefficacious 94% connected

Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent.

oewn 2023 0% interchangeable

Open English WordNet records these words as lexical opposites.

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Words connected by meaning

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