substitutability

noun

sub·​sti·​tut·​abil·​i·​ty ˌsəbztəˌtütəˈbilətē How to pronounce substitutability (audio)
-bst-, 
-tə‧ˌtyü-, 
-ütə-, 
-lətē, 
-i
: capacity for being substituted : the quality or state of being substitutable

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

“Substitutability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/substitutability. Accessed 8 Oct. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster