be prepared

be prepared

1. To remain in a state of preparedness for any unexpected or uncertain occasion that may arise. Popularized by the Boy Scouts of America, who use the phrase as their motto. It's a good thing I always carry a spare bicycle tube when I cycle to work. Like the Boy Scouts say, always be prepared!
2. To always carry a prophylactic (condom) or other means of preventing pregnancy or sexually transmitted infections, should an unexpected sexual encounter arise. A euphemistic appropriation of the motto of the Boy Scouts of America, "Be prepared." When you begin dating someone new, you should always be prepared!
See also: prepare
Farlex Dictionary of Idioms.

be prepared

To be willing (to do something): I am not prepared to defend him when I know he was wrong.
See also: prepare
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • prepare
  • all systems (are) go
  • All systems are go
  • all systems go
  • system
  • shell-shocked
  • star-crossed lovers
  • sit on it
  • life is like a box of chocolates
  • enemy combatant