Secret
Meaning: to keep one's location, activities, and intentions hidden.
Example: The burglars were very meticulous in covering their tracks, making it difficult for law enforcement to catch them. Read on
Meaning: a secret to be kept between two people
Example: Let me tell you something. Just between you and me, I don't think her painting deserves the first prize. Read on
Meaning: be secretive or cautious, give nothing away
Example: The children did not know where they were to go for their family holiday trip. Their dad kept his cards close to his chest. Read on
Meaning: try to hide a problem or keep a problem secret instead of dealing with it
Example: My father has helped me deal with things instead of sweeping them under the rug. Read on
Meaning: someone who talks too much
Example: Your big mouth always gets you in trouble at school, Steven! Read on
Meaning: a book containing a list of secret contacts
Example: Ann will not invite Bob to the party because he has been in her black books for so long. Read on
Meaning: a secret of an embarrassing, guilty or shameful nature that you don't want to disclose
Example: I have come to know that Eric has a skeleton in his cupboard. Read on
Meaning: disclose a secret or reveal something prematurely
Example: Lauren finally spilled the beans. She has been promoted to manager, and it's going to upset some people in the office. Read on
Meaning: people who work in anonymity
Example: They left the technical problems for the back-rooms boys. They will make short work of it all. Read on
Meaning: off the radar
Example: They managed to stay under the radar for years, after stealing all that money from their friends. Read on