Half-wit and Rotter

Half-wit noun - A person who lacks good sense or judgment.

Rotter and half-wit are semantically related. In some cases you can use "Rotter" instead a noun phrase "Half-wit".

Rotter noun - A person whose behavior is offensive to others.

Half-wit and rotter are semantically related. Sometimes you can use "Half-wit" instead a noun "Rotter".