in secrecy; not openly; "met secretly to discuss the invasion plans"; "the children secretly went to the movies when they were supposed to be at the library"; "they arranged to meet in secret"
not openly; inwardly; "they were secretly delighted at his embarrassment"; "hoped secretly she would change her mind"
Secretly was the second single taken from Post Orgasmic Chill by Skunk Anansie. It was released in May of 1999. CD1 came with an interactive element featuring the video.
In a secret manner.