Meaning of on the q.t. in English:

on the q.t.

(also on the QT)

phrase

informal
  • Secretly; stealthily.

    • ‘Brenda nipped round on the q.t’
    • ‘please, I beg you, regard this for the present as on the q.t’
    covertly, without anyone knowing, in secret, in private, privately, in confidence, confidentially, behind closed doors, behind the scenes, behind someone's back, under cover, under the counter, discreetly, unobserved, quietly, furtively, stealthily, on the sly, on the quiet, privily, conspiratorially, clandestinely, on the side