Wordnet 3.0
ADVERB (1)
1. 
 in secrecy; 
 not openly; 
- Example: "met secretly to discuss the invasion plans"- Example: "the children secretly went to the movies when they were supposed to be at the library"- Example: "they arranged to meet in secret"[syn: secretly, in secret, on the Q.T., on the QT]
WordNet (r) 3.0 (2006):
on the Q.T.
    adv 1: 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" [syn: secretly, in
           secret, on the Q.T., on the QT]