Cool and First-class

Cool adjective - Having or showing a lack of friendliness or interest in others.

First-class and cool are semantically related. in excellent topic. In some cases you can use "First-class" instead an adjective "Cool".

Nearby Words: coolness, coolly, cooler, cooled, cooling

First-class adjective - Of the very best kind.

Cool and first-class are semantically related. Sometimes you can use "Cool" instead an adjective phrase "First-class". slang substitute