"The term deepfake is typically used to refer to a video that has been edited using an algorithm to replace the person in the original video with someone else (especially a public figure) in a way that makes the video look authentic." Merriam-Webster
Merriam-Webster added the word deepfake to its collection in April of 2020.
Merriam-Webster. (n.d.). Words we're watching: 'Deepfake'. In Merriam-Webster.com dictionary. Retrieved July 24, 2020, from https://www.merriam-webster.com/words-at-play/deepfake-slang-definition-examples
Deepfake Videos Are Getting Terrifyingly Real