SLUG'GISHNESS, noun 1. Natural or habitual indolence or laziness; sloth; dullness; applied to persons. 2.Inertness; want of power to move; applied to inanimate matter. 3. Slowness; as the sluggishness of a steam.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI