ELISA ENGLISH's Blog 英語園地

uncool 只有負面的解釋嗎?!

Yes.

See http://dictionary.reference.com/browse/uncool

http://www.urbandictionary.com/define.php?term=uncool 

1. not self-assured or relaxed 沒有把握的; 無自信的

2. not sophisticated nor worldly-wise 不世故的,不酷,很遜

3. unfashionable and boring 不流行的; 過時的; 無聊的

4. Not in accord with the standards or mores of a specified group 與某群人的道德標準不相符的

For example:

1.  It is so uncool of him to show up without a present to my birthday party.

2.  He is such an uncool guy, not following up to the trend, always wearing outdated clothing and acting like a nerd.