relentless
adjective
- constant/unceasing (that does not, or is unable to, relent)
Wiktionary
Pronunciation: /ɹɪˈlɛntləs/
adj
Etymology: Etymology tree English relent Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English relentless From relent + -less.
- Unrelenting or unyielding in severity.
“She sniffed, too, comprehendingly, and fixed her son with a relentless eye.”
- Unremitting, steady and persistent.
“In Clintonworld, the reaction to Grassley’s relentless assault on Huma is one of resignation.”