Whelky is an adjective that describes a bumpy, pimpled, or raised appearance that often appears on the skin. There are various synonyms for the word whelky that can be used to describe the same skin condition. Some of the related terms include pimply, blemished, blotchy, spotted, and acne-ridden. Other synonyms are nodular, tuberous, raised, protruding, and swollen. These words can be used to describe whelks on a person's face, back, chest, or arms. A dermatologist can help identify the cause of whelky skin, and prescribe different treatments to alleviate this condition.