Cool as a cucumber and Good-natured

Good-natured and cool as a cucumber are semantically related. In some cases you can use "Good-natured" instead an adjective phrase "Cool as a cucumber".

Good-natured adjective - Having an easygoing and pleasing manner especially in social situations.

Cool as a cucumber and good-natured are semantically related. Sometimes you can use "Cool as a cucumber" instead an adjective phrase "Good-natured".