Synonyms of secretly

Adverb

1. secretly, in secret, on the Q.T., on the QT

usage: 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"

2. secretly

usage: not openly; inwardly; "they were secretly delighted at his embarrassment"; "hoped secretly she would change her mind"