Lacks definitions

She lacks any kind of positive self-image.

He Is Usually Rather Too Derivative, He Lacks The Saving Grace, ,Of Style, And Even His Best Canadian Poems Hardly Rise Above Fervent Occasional Verse.

Suicide lacks reason if you lis­ten to what everyone is saying.

He lacks my … darkness.

The Australian fauna is rich in characteristic and peculiar genera, and New Zealand, while possessing some remarkable insects of its own, lacks entirely several families with an almost world-wide range - for example, the Notodontidae, Lasiocampidae, and other families of Lepidoptera.