Thalesian

adjective

Tha·​le·​sian thāˈlēzhən How to pronounce Thalesian (audio)
: of, relating to, or typical of the Grecian Thales or his nature philosophy according to which water is the basic stuff of the physical universe compare milesian

Word History

Etymology

Thales †546 b.c. Greek philosopher and scientist + English -ian

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Browse Nearby Words

Cite this Entry

“Thalesian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Thalesian. Accessed 12 Dec. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!