Explore the origins and evolution of the phrase 'cloak-and-dagger,' from seventeenth-century Spanish theater to its modern associations with espionage and secrecy.
Explore the origins, meanings, and cultural significance of the phrase 'keep (something) under one’s hat' in this comprehensive dictionary entry.
Explore the meaning, etymology, and cultural significance of the phrase 'lips are sealed.' Discover its historical roots and contemporary usage.
Keep quiet or keep something secret instead of talking about it.
