say it: AHY-duhl-nuhs
idleness is a noun meaning "having no employment". It carries 3 recorded senses.
having no employment
the quality of lacking substance or value
“the groundlessness of their report was quickly recognized”
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 idleness 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.