Synonyms of adv secretly

2 senses of secretly

Sense 1
secretly, in secret, on the Q.T., on the QT -- (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")

Sense 2
secretly -- (not openly; inwardly; "they were secretly delighted at his embarrassment"; "hoped secretly she would change her mind")