IPA: /ˈvæpɪdnəs/
KK: /ˈvæpɪdnəs/
The quality of being dull, uninteresting, or lacking flavor or excitement.
The vapidness of the conversation made it hard to stay engaged.
Vapidness → It is formed from "vapid" (from Latin "vapidus", meaning flat or insipid) and the suffix "-ness" (meaning the state or quality of). The word "vapidness" refers to the state of being flat or lacking flavor, often used to describe dullness in taste or interest.
Think of something that is 'flat' or 'insipid' — that's what 'vapidness' means, the quality of being dull or lacking flavor.