Every language is unique, arbitrary and some times illogical too. Language is species specific. Man is the only animal who can use language and laugh .Language is more idiomatic than rule bound I would like to cite the adjectives of temperature  to drive my point home.

¨      Let us have a look at them. They are cold, cool ,warm and hot.:

¨      Generally, cold is opposite to hot and cool is opposite to warm.

¨      But I don’t know why the reception is cold when it is bad and it is warm and not hot  when  it is good.

¨       In the same way, why the mammals are warm blooded and not hot blooded when snakes, lizards and fish are cold blooded.

¨      But When the atmosphere is pleasant we say , it is warm or cool and when it is unpleasant we say, it is hot or cold.

¨      We say I am cooling off and warming up. There are no corresponding phrasal verbs for hot and cold.

¨      I am still doubtful whether the ice-cream is cool or cold .I like cool drinks because I can not drink them if they are too cold.

I hope the scholars will throw some light on this topic and make it more interesting and educative

Yours sincerely,

JVL NARASIMHA RAO