implacable

C2 Topic:Describing People

US /ɪmˈplækəbəl/ UK /ɪmˈplækəb(ə)l/ See IPA manual

Freq #43522

Meanings

1

adj
incapable of being placated

An implacable enemy.
2

adj
Not able to be placated or appeased.

He faced an implacable opponent.

Thesaurus

Synonyms

2 adj · not able to be placated or... impacableirreconcilableunassuageableunplacableunpleasable

Word family

Forms implacabilityimplacably

Derived forms implacabilityimplacablenessimplacably

Related forms placability placableplacablenessplacablyunplacable

Etymology

From Middle English implācāble (“immitigable, unappeasable”) from Old French implacable (“harsh, unrelenting; implacable”) (modern French implacable), from Latin implācābilis (“unappeasable, implacable; irreconcilable”), from im- (variant of in- (prefix meaning ‘not’)) + plācābilis (“placable; appeasing, moderating, pacifying, propitiating; acceptable”) (from plācō (“to assuage, pacify, placate; to appease; to reconcile”) + -bilis (suffix forming adjectives indicating a capacity or worth of being acted upon)).

implācāble Middle English implacable Old French implācābilis Latin

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# implacable

**Type:** Word
**Level:** C2
**Part of speech:** adj
**IPA (US):** /ɪmˈplækəbəl/
**IPA (UK):** /ɪmˈplækəb(ə)l/
**Frequency rank:** 43522

## Meanings
1. incapable of being placated
2. Not able to be placated or appeased.

## Examples
- An implacable enemy.
- He faced an implacable opponent.

## Derived Forms
- implacability
- implacableness
- implacably

## Related Forms
- placability
- placable
- placableness
- placably
- unplacable

## Roots and Affixes
- Root: implācāble
- Root: implacable
- Root: implācābilis

## Etymology
From Middle English implācāble (“immitigable, unappeasable”) from Old French implacable (“harsh, unrelenting; implacable”) (modern French implacable), from Latin implācābilis (“unappeasable, implacable; irreconcilable”), from im- (variant of in- (prefix meaning ‘not’)) + plācābilis (“placable; appeasing, moderating, pacifying, propitiating; acceptable”) (from plācō (“to assuage, pacify, placate; to appease; to reconcile”) + -bilis (suffix forming adjectives indicating a capacity or worth of being acted upon)).

## AI Etymology
implacable is an adjective meaning incapable of being placated. From Middle English implācāble (“immitigable, unappeasable”) from Old French implacable (“harsh, unrelenting; implacable”) (modern French implacable), from Latin implācābilis (“unappeasable, implacable; irreconcilable”), from im- (variant of in- (prefix meaning ‘not’)) + plācābilis (“placable; appeasing, moderating, pacifying, propitiating; acceptable”) (from plācō (“to assuage, pacify, placate; to appease; to reconcile”) + -bilis (suffix forming adjectives indicating a capacity or worth of being acted upon)).

## Topics
- Describing People

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implacable

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