Cheating is the most well-known academically dishonest behavior.
Ed Dante (a pseudonym) makes a living writing custom essays that unscrupulous students buy online. You can read his story at The Chronicle of Higher Education. Purchasing someone else’s work and turning it in as your own is cheating.
But cheating includes more than just copying a neighbor’s answers on an exam or peeking at a crib sheet.
Turning in someone else’s work as your own is also considered cheating.