IPA: /oʊˈtiːoʊsɪti/
KK: /oʊˈtiːoʊsɪti/
The condition of being unnecessary or having no useful purpose.
His otiosity during the meeting frustrated everyone who was trying to be productive.
Otiosity → It is formed from "otiosus" (meaning idle or at leisure) and the suffix "-ity" (meaning the state or condition of). The word "otiosity" refers to the state of being idle or the condition of being unproductive.
Think of 'otiosus' meaning idle, and remember that 'otiosity' describes the state of being unproductive or at leisure.