The meaning of MUTABLE is prone to change : inconstant. How to use mutable in a sentence.

MUTABLE definition: liable or subject to change or alteration. See examples of mutable used in a sentence.

In tracking flu, one of the most unpredictable and mutable human-disease viruses around, we have been blinded.

Definition of mutable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

There are eight meanings listed in OED's entry for the word mutable, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

given to changing; constantly changing; fickle or inconstant the mutable ways of fortune

mutable meaning, definition, what is mutable: able or likely to change: Learn more.

1. liable or subject to change or alteration. 2. given to changing; constantly changing: the mutable ways of fortune.

Dec 14, 2025 · Objects and arrays are mutable: a JavaScript program can change the values of object properties and array elements. Numbers, booleans, null, and undefined are immutable.

Mutable is often used to describe something that is easily modified or is subject to varying conditions. It can be applied to abstract concepts, such as moods or plans, as well as physical objects or conditions.