• noun:   a painful sore with a hard pus-filled core
• noun:   the temperature at which a liquid boils at sea level

  Example: "The brought to water to a boil"

• verb:   cook in boiling liquid

  Example: "Boil potatoes"

• verb:   bring to, or maintain at, the boiling point

  Example: "Boil this liquid until it evaporates"

• verb:   come to the boiling point and change from a liquid to vapor

  Example: "Water boils at 100 degrees Celsius"

• verb:   be in an agitated emotional state
• verb:   be agitated

Related words...