immutable

Plural: immutables

Adjective

• not subject or susceptible to change or variation in form or quality or nature
  • "the view of that time was that all species were immutable, created by God"

Adj

• Unable to be changed without exception.
• Not able to be altered in the memory after its value is set initially.

Noun

• Something that cannot be changed.

Examples

• Constants are immutable.
• The government has enacted an immutable law.

Synonyms

changeless, bateless, fixed, immutable, inalterable, invariable, perma-, permanent, perpetual, unabateable, unalterable, unchangeable, undeviating

Antonyms

mutable, nonimmutable

Related Words

changeless, indomitable, perennial

Anagrams of immutable