Odd fish and Unusual person

Odd fish noun - Someone regarded as eccentric or crazy and standing out from a group.

Unusual person and odd fish are semantically related. In some cases you can use "Unusual person" instead a noun phrase "Odd fish".

Unusual person noun - A person who is unusual.

Odd fish and unusual person are semantically related. Sometimes you can replace phrase "Odd fish" with "Unusual person", this phrases are similar.