Loading page
Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
relentlessness is a noun meaning "mercilessness characterized by an unwillingness to relent or let up". It carries one recorded sense.
mercilessness characterized by an unwillingness to relent or let up
“the relentlessness or their pursuit”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for relentlessness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.