Meaning : In secrecy. Not openly.
Example :
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.
Synonyms : in secret, on the q.t., secretly
On the qt ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. On the qt ka matlab kya hota hai?