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

Torrent is older now than Erice was when they made their first movie, and it serves as a moving reminder both of the years that have passed and how a person’s inherent essence is immutable across time.

From Los Angeles Times

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

Amid all the changes Berger implemented, the one immutable aspect from Varon’s pages was her heartbreaking, resonant ending.

From Los Angeles Times

Related Words

• abiding
• enduring
• immovable
• inflexible
• sacrosanct