Definition of QT in English:

QT

Syllabification: QT
(also q.t.)

noun

(in phrase on the QT) informal
Secretly; stealthily: she’d better get there on the QT
More example sentences
  • He favors residential integration achieved on the QT, through housing vouchers.
  • Black Canary recruits Green Arrow to try to spring Wildcat on the QT.
  • And, on the QT, Rachel Hunter is dating Anthoney de Rothschild, who is nine years younger.

Origin

late 19th century: abbreviation of quiet.

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