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Word a Day

immutable

adjective · Level 4 · Expert

What does immutable mean?

immutable (adjective): constant and unchanging.

Definition: Princeton WordNet 3.1.

How do you use immutable in a sentence?

Where does immutable come from?

From Middle English immutable, from Latin immūtābilis (“unchangeable”); im- + mutable.

Etymology: Wiktionary, CC BY-SA 4.0.

Test yourself: do you know “immutable”?

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What does “immutable” mean?

expressing deep emotion

Not quite: that's what lyrical means.

not requested or sought

Not quite: that's what unsolicited means.

supported by both sides

Not quite: that's what bipartisan means.

constant and unchanging

Right! That's what “immutable” means.

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