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implacable Synonyms

Another word for implacable

Choosing another word for implacable 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)

Unable to be appeased, pacified, or mollified; forgiving or relenting under no circumstances.

Usage Example

"Despite several public apologies, the critic remained an unforgiving opponent of the director's work."

Strongest
unforgiving
unappeasable
irreconcilable
Strong
merciless
intransigent
unforbearing
ruthless

• adjective (Context 2)

Impossible to stop, alter, or prevent; relentless or inexorable in progression or effect.

Usage Example

"The explorers struggled against the inexorable advance of the arctic winter."

Strongest
inexorable
relentless
unrelenting
Strong
unstoppable
unyielding
remorseless
inflexible
adamant

Opposites of implacable

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

placable
appeasable
relenting
forgiving
yielding
conciliatory
merciful
remitting
See all opposites of implacable

• Nearby Words

impish
impishly
impishness
implacable
implacably
implant
implantable

Cite this Entry

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