IPA: /ˈkaɪpəˌraɪtɪd/
KK: /ˈkɑɪpɪrˌaɪtɪd/
Protected by legal rights that prevent others from using or copying the work without permission.
The song is copyrighted, so you need permission to use it in your video.
To have legally protected the rights to a creative work, preventing others from using it without permission.
The author copyrighted her book to ensure no one could publish it without her consent.
Past: copyrighted
Past Participle: copyrighted
Copyrighted → It is formed from "copy" (from Latin "copia", meaning abundance or a reproduction) and "right" (from Old English "riht", meaning just or lawful) with the suffix "-ed" (indicating a completed action). The word "copyrighted" means that a work has been legally protected as a reproduction of an original creation.
Think of a 'copy' being made that is 'lawful' or 'just' — that's why copyrighted means a work is legally protected.