IPA: /ˈlæɡərdnəs/
KK: /ˈlæɡərdnəs/
The state of being slow or behind in progress or development.
His laggardness in completing the project caused delays for the entire team.
Laggardness → It is formed from "laggard" (from Middle English *laggard*, meaning one who lags behind) and the suffix "-ness" (meaning the state or quality of). The word "laggardness" refers to the state of being slow or behind in progress.
Think of someone who is 'lagging behind' — that's what 'laggardness' means, the quality of being slow or not keeping up.