Immutable
hardNeutral toneih-MYOO-tuh-bul
adjective
Definition
Unchanging over time or unable to be changed
Memory hook
IM-MUTABLE: imagine a mute button that's stuck - it cannot be changed no matter what you do.
Word roots
Learning roots unlocks whole word families. Study common GRE root words.
Examples
“The laws of physics are immutable and universal.”
“His commitment to honesty was immutable throughout his life.”
Test yourself
Fill in the blank with the right word:
“The laws of physics are ______ and universal.”
Show answer
immutable
Categories
GRE Tip
Immutable is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "unchangeable" or "fixed" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "mutable".
Related GRE Words
stationary
Not moving or not intended to be moved
abiding
Lasting for a long time; enduring and unchanging
enduring
Lasting over a period of time; durable
equilibrium
A state in which opposing forces or influences are balanced
eternal
Lasting or existing forever; without end
fast
(adjective) Firmly fixed or attached; (verb) to abstain from food
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