Discreet(adjective)
Meaning- Careful in what you say or do, in order to keep something secret or to avoid causing difficulty for somebody or making them feel embarrassed.
Hindi meaning:चैतन्य होशियार
Synonyms: Tactful, Careful, Circumspect, Considerate, Cautious, Wary
Antonyms: Careless, Heedless, Incautious, Imprudent
Example: A discreet glance at the clock told me the interview had lasted an hour.
Trick to remember: Secret chupane ke liye aadmi ko discreet hona chahiye 
