Attributive technical use (e.g., bleed valve); not normally gradable.
Definitions
bleedverb
To lose blood from the body as a result of injury or illness.
He started to bleed after cutting his finger on the sharp edge.
To draw blood from someone, especially as a medical procedure.
The doctor decided to bleed the patient to relieve the pressure.
To drain someone or something of money or resources.
The constant repairs were beginning to bleed the company dry.
To spread or run into another area, especially of colors or ink.
The red ink began to bleed into the white paper, creating a pink hue.
To ooze or exude a liquid or substance.
The tree began to bleed sap after being cut.
To release air or fluid from a closed system such as brakes or a radiator so that it functions correctly.
After replacing the calipers, the mechanic had to bleed the brakes.
To feel or show deep sympathy or pity for someone, often expressed with the preposition "for".
My heart bleeds for the families who lost everything in the fire.
bleednoun
Printing: an illustration, photograph, or design that extends beyond the trim edge of a page so that it appears to run to the very edge after trimming.
The magazine layout includes a full-page photo with a bleed.
Medicine, informal: an instance or episode of bleeding.
The surgeon managed to stop the bleed quickly.
The act or process of releasing air or fluid from a closed system.
After the repair, the mechanic performed a brake bleed to remove air from the lines.
bleedadjective
Designed to release or discharge fluid or air from a system.
A bleed valve is fitted to the top of the radiator.