A lot of words get thrown around in talks about cheating, but what are the specific things that count as cheating on Chess.com?

It varies depending on whether you're playing Live or Daily chess. See below for a breakdown of what is and isn’t allowed!

Check out this article on the site to learn more about Fair Play: Fair Play On Chess.com

Live Chess - Bullet, Blitz, Rapid

NOT Allowed

Engines - You may not use any engines to analyze ongoing games. This includes Chessmaster, Fritz, Komodo, Houdini, Stockfish, Chessbase with any active UCI engine, etc.
Tablebases - Tablebases, which contain every possible move for endgames with up to 7 pieces, are not allowed. Using them is equivalent to asking an engine to analyze a position.
Help from Other People - You cannot ask for help from anyone else. Do not seek advice on specific ongoing games or let anyone play on your account.
Books, Opening Databases, or Any Outside Help - For Live games on Chess.com, you should not look at anything other than the game in front of you. Focus on your game and rely on your own skills.
Fixing Game Results - Arranging game outcomes, playing with multiple accounts, or losing intentionally is against the rules.

Daily Chess - Days per move

Allowed

NOT Allowed

Books: You may consult chess books, lessons, or videos to find a good move. Since these resources don't involve an engine, they're allowed in Daily games.
Opening Databases: You may use opening databases or game records to search for good moves. However, you cannot use any that utilize an engine to evaluate the best moves.
In-game Self-Analysis Tool: In Daily games, you may use the self-analysis tool to explore possible moves and set conditional moves.

Engines: You may not use any engines to analyze ongoing games. This includes tools like Chessmaster, Fritz, Komodo, Houdini, Stockfish, Chessbase with any active UCI engine, etc.
Tablebases: Tablebases, which contain every possible move for endgames with up to 7 pieces, are not allowed. Using them is equivalent to asking an engine to analyze a position.
Help from Others: You may not ask for help from anyone else. Do not seek advice on your ongoing games or let anyone play on your account.
Fixing Game Results: Arranging game outcomes, playing with multiple accounts, or losing intentionally is against the rules

Puzzle rush and Rated tactics

NOT Allowed

Engines - You may not use any engines to analyze ongoing games. This includes Chessmaster, Fritz, Komodo, Houdini, Stockfish, Chessbase with any active UCI engine, etc.
Tablebases - Tablebases, which contain every possible move for endgames with up to 7 pieces, are not allowed. Using them is equivalent to asking an engine to analyze a position.
Help from Other People - You cannot ask for help from anyone else. Do not seek advice on specific ongoing games or let anyone play on your account.
Books, Opening Databases, or Any Outside Help - For Live games on Chess.com, you should not look at anything other than the game in front of you. Focus on your game and rely on your own skills.

Computer Games, and Unrated Puzzles

Unrated puzzles and games against computer personalities are the only exceptions to the rules above. Since these games and puzzles are not rated or against a real person, you are free to experiment with any tools and learn however you choose!

Check out this article to learn how to play a bot: How can I play against the Chess.com computer?

What do I need to know about Fair Play on Chess.com?

What is Chess.com's sportsmanship policy?

How can I view the tablebase on Chess.com?

What are the site's policies?