different between efficacious vs influential

English

Etymology

From Old French efficacieux, from Latin effic?x (“efficacious”) +? -ous, from efficere (“to effect, to accomplish”); see effect.

Pronunciation

• IPA^(key): /?f.?.?ke?.??s/

  Rhymes: -e???s

Adjective

efficacious (comparative more efficacious, superlative most efficacious)

1. (formal) Effective; possessing efficacy. [from 1520s]

   Synonym: effective

   Antonym: inefficacious

Related terms

Translations

Further reading

• efficacious in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• efficacious in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• “efficacious”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.

English

Etymology

From Medieval Latin ?nfluenti?lis, from ?nfluentia + -?lis. Synchronically analyzable as influence +? -ial.

Pronunciation

• IPA^(key): /?nflu??n??l/
• Hyphenation: in?flu?en?tial

Adjective

influential (comparative more influential, superlative most influential)

1. Having or exerting influence.

   John Lennon was a very influential person in music, as well as in politics, fashion and general culture.

   Jane was very influential in getting the motion passed.

Synonyms

• swayful

Derived terms

• influentially
• influentialness

Translations

Noun

influential (plural influentials)

1. A person who has influence