taint

To affect or associate with something undesirable or reprehensible.

To expose to an infectious agent, toxin, or undesirable substance.

To subject to decay or putrefaction: synonym: contaminate.

An undesirable or corrupting influence or association: synonym: stain.

An undesirable quality; a defect or shortcoming.

The perineum.

Tainted; touched; imbued.

Color; hue; dye; tinge.

A stain; a spot; a blemish; a touch of discredit or dishonor.