unrelenting

is likely misspelled.

has no English definition.

As an adjective unrelenting

is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.

Morose is a related term of unrelenting.

As adjectives the difference between morose and unrelenting

is that morose is sullen]], gloomy; showing a [[brood|brooding ill humour while unrelenting is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.

Ferocious is a related term of unrelenting.

As adjectives the difference between ferocious and unrelenting

is that ferocious is marked by extreme and violent energy while unrelenting is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.

Unrelenting is a related term of vicious.

As adjectives the difference between unrelenting and vicious

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 vicious is pertaining to vice; characterised by immorality or depravity.

Interminable is a related term of unrelenting.

As adjectives the difference between interminable and unrelenting

is that interminable is existing or occurring without interruption or end; ceaseless, unending while unrelenting is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.

Sulky is a related term of unrelenting.

As adjectives the difference between sulky and unrelenting

is that sulky is silent and withdrawn after being upset while unrelenting is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.

As a noun sulky

is a low two-wheeled cart, used in harness racing.

As adjectives the difference between unrelenting and unfaltering

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 unfaltering is without faltering, continuous, steadfast.

As adjectives the difference between inflexible and unrelenting

is that inflexible is not flexible; not capable of bending or being bent; stiff; rigid; firm; unyielding while unrelenting is not relenting; having no pity; not being or becoming lenient, mild, gentle, or merciful; unyielding; inflexibly rigid; hard; stern; cruel.

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.

Unrelenting is a related term of lasting.

As adjectives the difference between unrelenting and lasting

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 lasting is persisting for an extended period of time.

As a verb lasting is

.

As a noun lasting is

continuance; endurance.