Pain in the neck and Unpleasant person

Pain in the neck noun - A bothersome annoying person.

Unpleasant person and pain in the neck are semantically related. In some cases you can use "Unpleasant person" instead a noun phrase "Pain in the neck".

Unpleasant person noun - A person who is not pleasant or agreeable.

Pain in the neck and unpleasant person are semantically related. Sometimes you can replace phrase "Pain in the neck" with "Unpleasant person", this phrases are similar.