implacable

Scowling is a related term of implacable.

As a verb scowling

is .

As a noun scowling

is the act of giving a scowl.

As an adjective implacable is

unplaceable; that cannot be put or placed.

Merciless is a related term of implacable.

As adjectives the difference between merciless and implacable

is that merciless is showing no mercy; cruel and pitiless while implacable is unplaceable; that cannot be put or placed.

Cantankerous is a related term of implacable.

As adjectives the difference between cantankerous and implacable

is that cantankerous is given to or marked by an ill-tempered nature, ill-tempered, cranky, surly, crabby while implacable is unplaceable; that cannot be put or placed.

Implacable is a synonym of unappeasable.

As adjectives the difference between implacable and unappeasable

is that implacable is unplaceable; that cannot be put or placed while unappeasable is not able to be appeased or satisfied.

Unrelenting is a related term of implacable.

As adjectives the difference between unrelenting and implacable

is that unrelenting is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel while implacable is unplaceable; that cannot be put or placed.

As adjectives the difference between sombre and implacable

is that sombre is dark; gloomy while implacable is not able to be placated or appeased.

As a noun sombre

is gloom; obscurity; duskiness.

As a verb sombre

is to make sombre or dark; to make shady.

Grim is a synonym of implacable.

As a proper noun grim

is , probably derived from old english grimm' or old norse '''grimr''' or ' grimmr .

As an adjective implacable is

unplaceable; that cannot be put or placed.

Stern is a related term of implacable.

As a noun stern

is a star; a small luminous dot that can be seen on the night sky.

As an adjective implacable is

unplaceable; that cannot be put or placed.

Austere is a related term of implacable.

As adjectives the difference between austere and implacable

is that austere is austere while implacable is unplaceable; that cannot be put or placed.

Implacable is a synonym of unpacifiable.

As adjectives the difference between implacable and unpacifiable

is that implacable is unplaceable; that cannot be put or placed while unpacifiable is not pacifiable.