The quality or state of being void of care, or of taking no care; freedom from trouble or anxiety (obsolete); heedlessness, inattention…

The state or condition of not being on any side; absence of decided views, feeling, or expression; indifference; impartiality, dispassionateness.

Neutrality of feeling; hence, Absence of active feeling or interest; unconcern, apathy; = indifference, n.1 2. Const. to, towards. Now rare.

The quality of being perfunctory.

Absence of feeling for or against; hence esp. Absence of care for or about a person or thing; want of zeal, interest, concern, or attention…

The fact of not concerning oneself; unconcern.

Carelessness, indifference.

The quality or state of being unconcerned; freedom from anxiety; indifference.

The condition of being nonchalant; (deliberate) lack of enthusiasm or interest; casual indifference, unconcern.

Scottish. Inactivity, indifference. Obsolete.

The condition of suspense or uncertainty produced by equality in the force of opposing influences; neutrality of judgement or volition.

= unconcernment, n.

Lack of concern, anxiety, or solicitude; indifference, equanimity.

The quality of being indifferent; indifference.

lukewarmness, indifference.

Indolent ease; indifference; an instance of this. Now rare.

Carelessness, indifference, unconcern.

The state or quality of being aloof.

The quality of not caring; carelessness, indifference, unconcern.

The character or style of a pococurante; indifference, carelessness, nonchalance.

Carelessness, unconcern.

nonchalance.

Casual state or quality. (See casual, adj. 5 6.)

Absence of interest, unconcern. (Cf. disinterested, adj.)

Indifference.