Everyone at the company knew about the secrets of Polichinelle, but management pretended otherwise.

In the small town, the mayor's scandals were open secrets everyone pretended not to notice.

The company strengthened its security systems after several employees leaked trade secrets to a competitor.

Journalists uncovered several state secrets that had been hidden for decades.

Travel bloggers often share the city's best-kept secrets to entice curious visitors.

Every year, our office organizes secret Santas to make the holiday party more fun.

Everyone in the office knew it was a secret of Polichinelle that the company planned layoffs next month, even if no one said it aloud.

Several secret admirers slipped letters into her locker, hoping she would notice.

The museum hired secret agents to protect the rare artifacts during the international exhibition.

The whistleblower revealed a State secret to the press, risking prosecution.