Cold fish and Uncordial

Cold fish noun - A cold aloof person.

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

Uncordial adjective - Lacking in friendliness or warmth of feeling.

Cold fish and uncordial are semantically related in hard-hearted topic. Sometimes you can use "Cold fish" instead an adjective "Uncordial".