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unshakable Synonyms

Another word for unshakable

Choosing another word for unshakable depends on context, so the 15 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Impossible to dispute, weaken, or destroy; steadfast and resolute (especially of a belief, feeling, or commitment).

Usage Example

"Despite facing numerous setbacks during the research phase, the team maintained an unwavering belief in the project's ultimate success."

Strongest
unwavering
steadfast
resolute
unswerving
staunch
Strong
unyielding
firm
unflinching
ironclad

• adjective (Context 2)

Physically firm, stable, and unable to be moved, dislodged, or trembled.

Usage Example

"The ancient fortress was built upon an immovable foundation of solid granite."

Strongest
immovable
rock-solid
Strong
stable
solid
secure
fast

Opposites of unshakable

The opposite of unshakable shifts depending on context. Common opposites include:

shaky
wavering
unstable
wobbly
irresolute
faltering
rickety
vacillating
See all opposites of unshakable

• Nearby Words

unshackle
unshackled
unshaded
unshakable
unshakably
unshaken
unshamed

Cite this Entry

Wordmom. (2026). Synonyms for Unshakable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unshakable
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