(intransitive) To boil to such an extent as to overflow its container. / (idiomatic, of anger, etc.) To reach the point where aggressive action is taken.

plural of boiling point

(transitive) to remove by boiling / (intransitive) to be removed by boiling

An order that everyone in an area boil or otherwise sanitize water before using it for drinking or for use with food.

plural of boil order

(figuratively) To undertake an overwhelmingly difficult task or approach to a problem.

(geology) An eruption of water through a bed of sand due, for instance, to seismic activity, or to differences in water pressure on two sides of a levee which causes water to penetrate beneath the levee.

(idiomatic) Extremely hot (having a high temperature: of an object, the weather, a living creature)

(idiomatic, often attributively) A person who, or thing which, is in a gradually worsening situation without any realization of the peril until it is too late.

(cooking, New Zealand) A traditionally Maori soup/stew made with potatoes, pork and other ingredients.