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Friday, October 2, 2026
Word of the Day

immutable

adjective

Unchanging over time or unable to be changed; permanent and unalterable. Describes qualities or things that remain constant.

Intermediate - Known to most educated speakers

Etymology

From Latin "immutabilis," from "in" (not) + "mutabilis" (changeable), from "mutare" (to change). Related to "mutate" and "mutation."

Examples in Use

  • 1.

    "The laws of physics are considered immutable."

  • 2.

    "Her commitment to justice remained immutable throughout her career."

  • 3.

    "Some believe moral truths are immutable across cultures."

Related Vocabulary

Synonyms

unchangeablefixedpermanentconstant

Related Words

unalterableinvariablestableeternal

Fun Fact

In programming, "immutable" objects cannot be modified after creation. This concept, central to functional programming, prevents bugs by ensuring data remains constant, making programs more predictable.

Word Game Tips

Letters: 9 letters (I, M, M, U, T, A, B, L, E)

Scrabble Value: 15 points

Tip: Words ending in "LE" are often good scoring opportunities.

Put Your Vocabulary to the Test!

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