The demented man muttered to himself as he wandered through the deserted park.

Years of relentless grief demented her, leaving her disconnected from reality.

The sorcerer's curse seemed designed to dementate anyone who dared enter the forbidden grove.

The council feared the dementate ruler, whose edicts betrayed a mind bereft of reason.

That relentless grief slowly dements her, isolating her from friends and family.

Researchers warned that the dementing effects of prolonged exposure to the toxin were irreversible.

The villagers feared the sorcerer's dementation of their leader, believing it would strip him of all reason.

The villagers whispered about the dement scholar who spoke to empty chairs at dusk.

The constant, cruel comments from his neighbors seemed to dement him, leaving him withdrawn and fearful.

The old village whispered that the stranger was a dement, but his gentle manners proved otherwise.