adj.
Not subject or susceptible to change.
immutability im·mu'ta·bil'i·ty or im·mu'ta·ble·ness n.
immutably im·mu'ta·bly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
