boiling boiling /ˈbɔɪlɪŋ/

adverb

1. Extremely  ( boiling )
   extremely
    Boiling mad
   boiling mad
   

noun

1. () The application of heat to change something from a liquid to a gas  ( boiling )
   the application of heat to change something from a liquid to a gas
     The pot of water reached its boiling point and started bubbling vigorously.
   The pot of water reached its boiling point and started bubbling vigorously.
   
   
2. Cooking in a liquid that has been brought to a boil  ( boiling , simmering , stewing )
   cooking in a liquid that has been brought to a boil