wart

Concise Oxford English Dictionary © 2008 Oxford University Press:
wart/wɔːt/

▶noun

• 1 a small, hard benign growth on the skin, caused by a virus.

• 2 any rounded excrescence on the skin of an animal or the surface of a plant.

• 3 informal an obnoxious person.

– phrases
warts and all informal including faults or unattractive qualities.

– derivatives
warty adjective.

– origin OE wearte, of Gmc origin.