The lyrics are the words of a song. Song lyrics, learn the lyrics, the lyrics are terrible.
The word is normally plural: the lyrics of a song, though lyricist is the person who writes them. Lyrics are copyright separately from the music, which is why they are the part websites are most often forced to take down. As an adjective, lyric describes poetry expressing personal feeling — lyric poetry — which is the older sense and the source of the musical one.
1nounlyricsThe words of a song.
“She wrote the lyrics, and her brother composed the music.”
lyrics is the words of a song.