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relentless

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UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/rɪˈlɛntləsli/

relentless
WordReference English Thesaurus © 2026

Sense: Adjective: determined

Synonyms:

determined Collocations, persistent Collocations, persevering, dogged, tenacious, implacable, unyielding, unwavering, unflinching, unrelenting

Sense: Adjective: harsh

Synonyms:

harsh Collocations, ruthless Collocations, cruel Collocations, unforgiving, grim Collocations, severe Collocations, fierce Collocations, grueling, gruelling (UK), hard Collocations

Sense: Adjective: nonstop

Synonyms:

nonstop, neverending, incessant, persistent Collocations, unrelenting, unending, endless Collocations, unremitting, unstopping, constant Collocations, continuous Collocations, continual, sustained Collocations, steady Collocations, unbroken, perpetual, uninterrupted, unflagging, unabated, unabating, tireless

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moves relentlessly toward the <bottom line> - English Only forum
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⇱ relentlessly - WordReference.com English Thesaurus

relentless