In various senses of loath, adj.: Harmfulness, enmity; unpleasantness. Obsolete.

The quality or condition of being grievous, in various senses of the adjective.

Power to harm, harmfulness; harmful action or effect. Of a disease, a poison, etc.: virulence. Obsolete.

The quality or condition of being mischievous; injuriousness, harmfulness, perniciousness. Also in weakened sense: petty maliciousness; playful…

The quality of being harmful; injuriousness.

Baleful quality or condition: (a) hurtfulness; (b) distress, sadness.

Unpleasantness, disagreeableness; troublesomeness; hurtfulness, noxiousness; badness. Obsolete.

Hurtful or noxious quality or action. Obsolete.

The quality of being hurtful, injuriousness.

Hurtful or harmful character, influence, or intent. Now rare.

The quality or state of being noxious.

deleterious or harmful nature.

Malefic character; harmfulness.

Viciousness, harmfulness.

? Associated with bale, n.1

The opposite of utility; injuriousness, harmfulness.

Philosophy. Negative value.