What does unshakeable mean?
Unshakeable describes something that cannot be physically shaken or, more commonly, something so firmly held that criticism, pressure, or uncertainty cannot undermine it. People may be unshakeable in their loyalty, conviction, or determination, while beliefs, promises, principles, and institutions can also be described this way. The word combines an emphatic sense of stability with the idea of endurance: an unshakeable position does not merely bend under pressure; it remains firm. Its figurative use is especially associated with formal writing and speech, where it conveys admiration for strength of character or steadfastness. Although the literal physical meaning is understandable, modern usage tends to favor the metaphorical sense. The word is a compact and vivid alternative to expressions such as unwavering, steadfast, and immovable, and it can give a sentence a strong sense of moral or emotional resolve.
adjectiveUnable to be shaken or destabilized, especially physically. In figurative use, so firm or unwavering in belief, resolve, or support that it cannot be shaken.
- Unable to be physically shaken, moved, or destabilized.
- So firmly established in belief, support, or determination that it cannot be shaken.
"Despite the criticism, she remained unshakeable in her commitment to the project."
"The foundation of the bridge proved surprisingly unshakeable after the earthquake."
"His unshakeable confidence helped the team continue despite repeated setbacks."
When a conviction refuses to wobble, it is unshakeable: a word for strength that has survived every knock and counterargument.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does unshakeable come from?
Unshakeable is an English compound formed with the prefix un-, the verb shake, and the adjectival suffix -able. Its central element comes from the older English verb shake, which descends from Old English sceacan, while -able is a standard English adjective-forming suffix ultimately associated with Latin -abilis. The resulting word developed from the literal idea of something that cannot be shaken into a figurative description of firmness that cannot be challenged or overturned.
Related word forms
How unshakeable is actually used
Commonly formal, especially when describing belief, commitment, resolve, support, or loyalty. The figurative sense is much more frequent than the literal physical sense.
Easily confused with unshakeable
Unshakable is a spelling variant of unshakeable; both mean impossible to shake or too firm to be shaken, although unshakeable is the more common form in modern English.