Loose lips sink ships
Meaning
Carelessly sharing secret or sensitive information can lead to severe and damaging consequences.
Origin
During the desperate days of World War II, as battles raged across continents, Allied nations faced a hidden enemy: careless talk. The United States government launched a powerful propaganda campaign to combat this threat, fearing that seemingly innocent conversations could inadvertently reveal critical information to enemy spies. From posters to public service announcements, the stark warning "Loose lips sink ships" became ubiquitous, often emblazoned with images of drowning sailors or exploding vessels. It served as a chilling reminder that a casual remark about troop movements, ship schedules, or factory production could have catastrophic consequences, literally jeopardizing lives and the war effort itself. The phrase drilled home the vital importance of secrecy, etching itself into the national consciousness as a timeless caution against unguarded speech.
Examples
- Remember, loose lips sink ships, so keep the details of our new product launch strictly confidential until the official announcement.
- The commander constantly reminded his soldiers that loose lips sink ships, urging them to never discuss operational plans outside of secure channels.