Used primarily in video games for unauthorized advantages, such as cheat codes, hacks, or exploits.
If you use a cheat in that game, you get banned right away.
Using cheats in this game can get your account suspended.
He couldn't defeat the boss without cheating.
I was shocked that my friend was cheating in the online match.
The operator's investigation found the cheat, and the player was permanently banned.
This new equipment is cheat-level strong.
カンニング means cheating specifically on exams or tests, while チート refers to cheating in video games such as using hacks or exploits.
Borrowed from English 'cheat', used in Japanese primarily in gaming contexts.