Pimple (noun)

1. A small inflamed elevation of the skin that is usually red and swollen and often contains pus.
2. A small eruptive disease of the skin, especially on the face, characterized by the presence of red, swollen, and usually painful nodules or papules, caused by infection of the sebaceous glands with bacteria and the subsequent inflammation of the surrounding tissue.

Origin:

Middle english pimple, from old english pipla, from latin pippillus; akin to latin pipinna pimple, greek pyphlos small pustule.

Examples:

1. I have a pimple on my nose.
2. I have a lot of pimples on my face.
3. She has a pimple on her chin.
4. He woke up with a pimple on his forehead.
5. Her pimples are getting better after using this cream.