say it: HOH-pluh-snuhs
hopelessness is a noun meaning "the despair you feel when you have abandoned hope of comfort or success". It is pronounced /ˈhoʊpləsnəs/ — HOH-pluh-snuhs. It carries one recorded sense.
the despair you feel when you have abandoned hope of comfort or success
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 hopelessness come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.