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Definition of relentless

relentless

/rɪˈlɛnt.ləs/
re · lent · less
Adverb:relentlessly
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relentless Lexical Profile

relentless Game Scores & Validity

• adjective

1

Continuing with unabated severity, intensity, or persistence; showing no abatement of effort or force.

Example

"The marathon runners struggled to maintain their pace under the relentless midday heat."

2

Harsh, inflexible, or unyielding in attitude, determination, or treatment of others; refusing to give in or show mercy.

Example

"Her relentless pursuit of archival evidence eventually uncovered the forgotten correspondence."

Synonyms
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Antonyms
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• Rhymes for relentless

• Nearby Words

relegate
relegation
relent
relentless
relentlessly
relentlessness
relet

Word Origin & Etymology

Coined in the late 16th century from the verb 'relent' and the suffix '-less'. 'Relent' derives from Middle French 'ralentir' (to slow down), which ultimately traces back to the Latin 'lentus', meaning 'slow, viscous, or pliant'.

Cite this Entry

Wordmom. (2026). Definition of Relentless. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/relentless
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