Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
luridness is a noun meaning "the journalistic use of subject matter that appeals to vulgar tastes". It carries 3 recorded senses.
the journalistic use of subject matter that appeals to vulgar tastes
“the tabloids relied on sensationalism to maintain their circulation”
unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
the quality of being ghastly
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 luridness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.