worthless or dangerous material that should be removed

gases ejected from an engine as waste products

waste matter (as urine or sweat but especially feces) discharged from the body

any substance considered disgustingly foul or unpleasant

waste matter carried away in sewers or drains

water mixed with waste matter

food that is discarded (as from a kitchen)

waste matter that contaminates the water or air or soil

worthless material that is to be disposed of

(usually plural) waste water from a kitchen or bathroom or chamber pot that has to be emptied by hand

poisonous waste materials; can cause injury (especially by chemical means)

an insecticide that is also toxic to animals and humans; banned in the United States since 1972

a fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans

a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer

any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts

solid excretory product evacuated from the bowels

excreta (especially of insects)

cylindrical mass of earth voided by a burrowing earthworm or lugworm

the body wastes of human beings

liquid excretory product

the matter ejected in vomiting

discarded metal suitable for reprocessing

the remains of something that has been destroyed or broken up

rubbish carelessly dropped or left about (especially in public places)

the excrement of sea birds or bats; used as fertilizer

a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain