Cold fish and Stiff-necked

Cold fish noun - A cold aloof person.

Stiff-necked and cold fish are semantically related In some cases you can use "Stiff-necked" instead an adjective phrase "Cold fish".

Stiff-necked adjective - Having a feeling of superiority that shows itself in an overbearing attitude.

Cold fish and stiff-necked are semantically related in pigheaded topic. Sometimes you can use "Cold fish" instead an adjective phrase "Stiff-necked".