SLUGGISHNESS

n. 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.

sluggishness

sluggishness noun 1 Rob put down his sluggishness to over-exuberant birthday celebrations: lethargy, inertia, listlessness, lack of energy, lifelessness, inactivity, inaction, slowness, languor, languidness, torpor, torpidity, dullness, heaviness, apathy, passivity, weariness, tiredness, lassitude, fatigue, sleepiness, drowsiness, enervation, somnolence, laziness, idleness, indolence, sloth, slothfulness; phlegm; Medicine asthenia, neurasthenia, anergia; informal doziness, dopeyness; rare hebetude. ANTONYMS vigour, energy, animation. 2 they are having difficulties exporting because of the sluggishness of other economies: lack of activity, quietness, slowness, slackness, flatness, stagnation. ANTONYMS briskness.