immutable

1. 1

   Unable to be changed without exception.not-comparable

   • The government has enacted an immutable law.
2. 2

   Not able to be altered in the memory after its value is set initially.not-comparable

   • Constants are immutable.

syn. bateless · fixed · immutable · inalterable · invariable · permanent · perma- · perpetual · unabateable · unalterable · unchangeable · undeviating

ant. mutable · nonimmutable

1. 1

   Something that cannot be changed.