leak leak /ˈliːk/

noun

1. () An accidental hole that allows something (fluid or light etc.) to enter or escape  ( leak )
   an accidental hole that allows something (fluid or light etc.) to enter or escape
    One of the tires developed a leak
   one of the tires developed a leak
   
   
2. Unauthorized (especially deliberate) disclosure of confidential information  ( leak , news leak )
   unauthorized (especially deliberate) disclosure of confidential information
   
3. The discharge of a fluid from some container  ( escape , leak , leakage , outflow )
   the discharge of a fluid from some container
    They tried to stop the escape of gas from the damaged pipe
   they tried to stop the escape of gas from the damaged pipe
    He had to clean up the leak
   he had to clean up the leak
   
   
4. [Informal] A euphemism for urination  ( leak [Informal] , making water , passing water , wetting )
   a euphemism for urination
    He had to take a leak
   he had to take a leak
   
   
5. Soft watery rot in fruits and vegetables caused by fungi  ( leak )
   soft watery rot in fruits and vegetables caused by fungi
   

verb

1. () Tell anonymously  ( leak )
   tell anonymously
    The news were leaked to the paper
   The news were leaked to the paper
   
2. Have an opening that allows light or substances to enter or go out  ( leak )
   have an opening that allows light or substances to enter or go out
    The container leaked gasoline
   The container leaked gasoline
    The roof leaks badly
   the roof leaks badly
   
3. Enter or escape as through a hole or crack or fissure  ( leak )
   enter or escape as through a hole or crack or fissure
    Water leaked out of the can into the backpack
   Water leaked out of the can into the backpack
    Gas leaked into the basement
   Gas leaked into the basement
   
4. Be leaked  ( leak , leak out )
   be leaked
    The news leaked out despite his secrecy
   The news leaked out despite his secrecy