Dictionary.com
Thesaurus.com
Synonyms

say-so

American  
[sey-soh] / ˈseɪˌsoʊ /

noun

say-sos plural
  1. one's personal statement or assertion.

  2. final authority; directing influence.

  3. an authoritative statement.


say-so British  

noun

  1. an arbitrary assertion

  2. an authoritative decision

  3. the authority to make a final decision

"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

Noun Inflected Forms

Etymology

Origin of say-so

First recorded in 1630–40; originally, one's mere word on a matter, as opposed to proof

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.

Two years later, Mr. Novick lost his new job as a U.S. marshal after being put on a blacklist on the say-so of federal prosecutors.

From The Wall Street Journal • Dec. 11, 2025

As a result, neither DOJ’s statement, nor the still-unavailable OLC opinion, nor the say-so of the president, the attorney general, or the secretary of defense is the last word.

From Slate • Nov. 24, 2025

She confirmed in dramatic terms that Cohen and Allen Weisselberg, the Trump Organization’s then-chief financial officer, would not have cooked up the scheme to pay off the adult-film actor Stormy Daniels without Trump’s say-so.

From Los Angeles Times • May 23, 2024

But in a 52-page decision, Liman said the plaintiffs did not prove they had sincere religious objections to being vaccinated, and instead offered only their "say-so" on the issue.

From Reuters • Sep. 25, 2023

“Couple of days later, once he’d got the say-so from You-Know-Who, I imagine, he sent it down to London to be kept in Gringotts instead.”

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "say-so" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com