from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Impossible to alter; unchangeable.

from The Century Dictionary.

  • Unalterable.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not alterable; incapable of being altered or changed; unalterable.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective That cannot be altered.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective not capable of being changed or altered


from Wiktionary, Creative Commons Attribution/Share-Alike License

in- +‎ alterable


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