INERTNESS
inertness
(noun) immobility by virtue of being inert
Source: WordNet® 3.1
Etymology
Noun
inertness (usually uncountable, plural inertnesses)
Lack of activity or exertion; habitual indisposition to action or motion
Synonyms: sluggishness, apathy, insensibility
Absence of the power of self-motion; inertia.
(chemistry) Quality of being unreactive with other chemical compounds or elements.
Anagrams
• tennisers
Source: Wiktionary
In*ert"ness, n.
1. Want of activity or exertion; habitual indisposition to action or
motion; sluggishness; apathy; insensibility. Glanvill.
Laziness and inertness of mind. Burke.
2. Absence of the power of self-motion; inertia.
Source: Webster’s Unabridged Dictionary 1913 Edition