forceful

(transitive) To form a pile, stack, or heap. / (idiomatic, intransitive) To collect or accumulate, as a backlog.

A pile of crashed vehicles due to a traffic accident. / (American football) A pile of tackling players. / An accumulation that occurs over time, especially one which is not welcome.

(physics) an early nuclear reactor fuelled by uranium and moderated with graphite

(chemistry) An early electrical battery using multiple cells of zinc and graphite in dilute chromic acid

(vulgar, slang) Something that is not true, a mass of lies (refers to bullshit). / (vulgar, slang) Any worthless structure or device. / (vulgar, slang) A totally worthless person.

A type of retaining wall used during construction by driving interlocking sheets of material into the ground. / The material used to assemble a sheet pile retaining wall.

plural of pile-up

(construction) Accumulated debris from cutting brush or trimming trees.

plural of pile driver