immutable

[ ih-myoo-tuh-buhl ]

adjective

1. not mutable; unchangeable; changeless.
2. Computers. (in object-oriented programming) of or noting an object with a fixed structure and properties whose values cannot be changed.

immutable

/ ɪˈmjuːtəbəl /

adjective

1. unchanging through time; unalterable; ageless

   immutable laws

Derived Forms

• imˈmutably, adverb
• imˌmutaˈbility, noun

Other Words From

• im·mu·ta·bil·i·ty [ih-myoo-t, uh, -, bil, -i-tee], im·mu·ta·ble·ness noun
• im·mu·ta·bly adverb

Word History and Origins

Origin of immutable¹

First recorded in 1375–1425; late Middle English, from Latin immūtābilis; im- ², mutable

Example Sentences

Certainly, there's an assumption that evangelicalism was this immutable thing passed down from the time of Jesus to today.

From Salon

He defends his policies and politics as derived from painstaking consideration based on immutable laws of human behavior, but they don’t hold water on those terms.

From Los Angeles Times

The law is not a static instrument, it’s not something immutable that is handed down from on high.

From Salon

So far, he noted, artworks have been immutable and set in stone; even video or film-based installations have traditionally been played on preprogrammed loops.

From New York Times

To take such pains in composing from the past a message of immutable and timeless horror for the future is to have faith that there will be a future at all.

From Salon

Related Words

• abiding
• enduring
• immovable
• inflexible
• sacrosanct