Dictionary.com
Thesaurus.com
Showing results for Pythagorean. Search instead for Pythagoreans.

Pythagorean

American  
[pi-thag-uh-ree-uhn] / pɪˌθæg əˈri ən /

adjective

  1. of or relating to Pythagoras, to his school, or to his doctrines.


noun

  1. a follower of Pythagoras.

Pythagorean British  
/ paɪˌθæɡəˈriːən /

adjective

  1. of or relating to Pythagoras

  2. denoting the diatonic scale of eight notes arrived at by Pythagoras and based on a succession of fifths

"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

noun

  1. a follower of Pythagoras

"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

Derived Forms

Etymology

Origin of Pythagorean

1540–50; < Latin Pȳthagorē ( us ) (< Greek Pȳthagóreios of Pythagoras) + -an

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.

Overhead, a stylized starry sky—gold against deep blue—illustrates the Pythagorean idea of the music of the spheres.

From The Wall Street Journal • Jan. 30, 2026

We still use the Pythagorean theorem and euclidean principles.

From Slate • Sep. 26, 2025

If verified, Johnson and Jackson’s proof would contradict mathematician and educator Elisha Loomis, who stated in his 1927 book The Pythagorean Proposition that no trigonometric proof of the Pythagorean theorem could be correct.

From Scientific American • Apr. 10, 2023

Fortunately, there’s a much easier way to use the Pythagorean theorem on a job site.

From Seattle Times • Dec. 12, 2022

The importance of the golden ratio comes from a Pythagorean discovery that is now barely remembered.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

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

Take me to Vocabulary.com