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In academic writing, slang is not acceptable. Slang is often defined as sloppy language, short cuts in grammatical form, and occasionally jargon. While slang may be acceptable in casual speaking situations, it is never appropriate in formal writing.


Always avoid slang in formal writing.

  • Incorrect: That’s sick.

  • Correct: That’s disgusting.

  • Correct: That is very good. [The word “sick” has recently been in use to mean that you like something, or it is good.]

  • Incorrect: I aced that exam.

  • Correct: I received a grade of A on that exam.

  • Correct: I got perfect on the exam.