I always thought the term hater would only be found in urban dictionaries. I didn’t expect to find it in mainstream academic dictionaries. I decided to Google the definition of hater and I discovered that the term is more mainstream than I thought, and that it isn’t always labeled as slang. Apparently, I was wrong about this word. The Cambridge English Dictionary defines hater as a person who says or writes unpleasant things about someone or criticizes their achievements, especially on the internet. Your D ictionary describes is as a slang, pejorative speaking of one who expresses unfounded or inappropriate hatred or dislike, particularly if motivated by envy; as a slang term for someone who is negative or who discourages others; someone who feels strong bad feelings against a person or thing. The Merriam-Webster Dictionary defines it as a person who hates someone or something, or as a person who actively and...