polluting
Word family
Synonym discussion
Sense: verb/1
All four words describe making something impure or harmful, but they differ in scope and intensity. 'Pollute' is the most general term for environmental harm — it always implies that the natural world (air, water, soil) has been made unsafe by human activity. 'Contaminate' is broader: you can contaminate food in a kitchen or a medical sample in a lab, not just the outdoors. 'Foul' carries a stronger sense of disgust and is often used for smells or litter ('the river was fouled by raw sewage'), but it sounds slightly literary in modern English. 'Poison' is the strongest — it suggests that the substance is toxic enough to kill or cause severe illness. 'Taint' implies a smaller, subtler impurity that spoils something ('the water was tainted with trace metals'). For everyday environmental reporting, 'pollute' is the safest and most natural choice.
Common collocations
Nouns
- air
- water
- soil
- river
- ocean
- environment
- groundwater
- coastline
Phrases
- polluting the environment
- polluting the atmosphere
- stop polluting
Prepositions
- with (pollute with chemicals)
Etymology
The word 'pollute' comes from Latin 'polluere', meaning 'to defile or make dirty', which is formed from 'por-' (an old form of 'per-', meaning 'through') and '-luere' (related to 'lutum', meaning 'mud'). It entered English through Old French 'polluer' in the 14th century, originally carrying a general sense of defilement or corruption. The specific environmental meaning — contaminating the natural world with waste or chemicals — became dominant in the mid-20th century as industrial pollution grew into a major public concern. The participial adjective 'polluting' (suffix -ing) emerged alongside the modern environmental movement to describe the materials and activities that cause the damage.