1. In secrecy; not openly
   - secretly, in secret, on the Q.T.

Encyclopedia: On the QT

• passport
• password
• passé
• passé-partout
• passée
• past
• past master
• past participle
• past perfect
• past perfect tense
• past progressive
• past progressive tense
• past tense
• past times
• pasta
• pasta salad
• pasta sauce
• paste
• paste-up
• pasteboard
• pasted
• pastel
• pastel-colored
• pastel-coloured
• pastelike