different between ferocious vs relentless

English

Etymology

Taken from Latin ferox (“wild, bold, savage, fierce”) (with the suffix -ous), from ferus (“wild, savage, fierce”).

Pronunciation

• IPA^(key): /f???????s/
• Rhymes: -????s

Adjective

ferocious (comparative more ferocious, superlative most ferocious)

1. Marked by extreme and violent energy.
   • 1975, Saul Bellow, Humboldt's Gift [Avon ed., 1976, p. 376]:

     But it seemed to me that there were few faces like his, with the ferocious profile that brought to mind the Latin word rapax or one of Rouault's crazed death-dealing arbitrary kings.
2. Extreme or intense.

Synonyms

• fierce

Derived terms

• ferociously

Related terms

• ferity
• ferocity
• fierce
• feral

Translations

Further reading

• ferocious in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• ferocious in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• ferocious at OneLook Dictionary Search

English

Etymology

relent +? -less

Pronunciation

• IPA^(key): /???l?ntl?s/

Adjective

relentless (comparative more relentless, superlative most relentless)

1. Unrelenting or unyielding in severity.
2. Unremitting, steady and persistent.
   • 2016 January 31, "Is Huma Abedin Hillary Clinton’s Secret Weapon or Her Next Big Problem?," Vanity Fair (retrieved 21 January 2016):

     In Clintonworld, the reaction to Grassley’s relentless assault on Huma is one of resignation.

Derived terms

• relentlessness

Translations