not

symbol

1. ISO 639-3 language code for Nomatsiguenga.

adverb

1. Negates the meaning of the modified verb.

   “Did you take out the trash? — No, I did not. I do not think it was my turn, was it?”

2. To no degree.

   “That is not red; it's green.”

3. Used to indicate the opposite or near opposite, often in a form of understatement.

   “That day was not the best day of my life. (meaning the day was bad or awful)”

4. Used before a determiner phrase, a pronominal phrase etc. to convey a negative attitude (e.g. denial, sadness, anger) towards something.

   “Oh god, not that! Anything but that!”

conjunction

1. And not.

   “I wanted a plate of shrimp, not a bucket of chicken.”

interjection

1. Used to indicate that the previous phrase was meant sarcastically or ironically.

   “I really like hanging out with my little brother watching Barney … not!”

noun

1. An instance of using the word “not”; a negation or denial.

2. Alternative letter-case form of NOT (“unary operation on logical values that changes true to false, and false to true”).