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Synonyms

influential

American  
[in-floo-en-shuhl] / ˌɪn fluˈɛn ʃəl /

adjective

  1. having or exerting influence, especially great influence.

    three influential educators.

    Synonyms:
    important, forceful, consequential

noun

  1. a person who exerts or can exert strong influence.

    according to influentials of the fashion industry.

influential British  
/ ˌɪnflʊˈɛnʃəl /

adjective

  1. having or exerting influence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of influential

First recorded in 1560–70; from Medieval Latin influenti(a) “stellar emanation” ( see influence) + -al 1

Explanation

If your grandfather worked his whole life in a circus and inspired you to wear clown shoes, you could describe your grandfather as very influential in your life. Something that exerts influence or power can be called influential. You could read a deeply meaningful book that becomes influential to you, or there might be an important person in your life who is strongly influential over various decisions you make. The Latin word influentem, "flowing in," is the root of the Old French influence, which described the power was believed to flow from the stars.

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Vocabulary lists containing influential

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Cuban officials at Thursday’s meeting included Cuba’s interior minister, Lázaro Alvarez, and Raúl Rodríguez Castro, known as “the Crab,” the influential grandson of nonagenarian Cuban revolutionary leader Raúl Castro.

From The Wall Street Journal • May 14, 2026

After Lincoln’s death Herndon co-wrote an influential biography of the assassinated president in which he trashed Mary and declared that Lincoln’s only true love was Ann Rutledge, who had died in 1835.

From The Wall Street Journal • May 11, 2026

I think it’s extremely influential to who people are — better than astrology, for sure.

From Los Angeles Times • May 11, 2026

Brown and Harman, two influential and respected figures in the party, met Sir Keir in Downing Street before their roles were announced.

From BBC • May 9, 2026

An influential nineteenth-century manual on medical jurisprudence cited the saying “A medical man, when he sees a dead body, should notice everything.”

From "Killers of the Flower Moon" by David Grann

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