Dam: meaning, definitions and examples

A structure built across a river to control the flow of water, often used for water storage, irrigation, or hydroelectric power.

• The government decided to build a dam to generate electricity for the nearby villages.
• The dam burst after heavy rains, causing severe flooding in the area.

An obstacle that prevents movement or access; can be physical or metaphorical. It is used in a wide range of contexts.

• The Great Wall of China served as a barrier to keep out invaders.
• Language barriers can be a significant challenge for international businesses.

A wall or bank of earth or stone built to prevent a river from flooding an area or to support a road or railway.

• The train sped along the embankment, offering a view of the river below.
• The village was protected from the rising floodwaters by a sturdy embankment.

An obstruction that prevents passage or flow, often in pipes, roads, or bodily functions. Usually has a negative connotation.

• The plumber fixed the blockage in the kitchen sink.
• There was a blockage in the artery, leading to a heart attack.

Used when referring to a structure built to stop water from flowing in a river or stream.

• The workers built a dam to control the river's flow.
• A beaver creates a dam using branches and mud.

Commonly used when something is preventing another thing from passing through or moving forward. Can be used in both physical and abstract contexts.

• A fallen tree blocked the road after the storm.
• She tried to block negative thoughts from her mind.

Used to describe something deliberately or unintentionally preventing movement, progress, or view. Slightly more formal and can have a negative connotation.

• Overgrown plants can obstruct the view from the window.
• The protesters were accused of trying to obstruct justice.

Often used in more formal or technical contexts to describe something slowing down progress or movement.

• Heavy traffic can impede emergency vehicles.
• Her lack of experience might impede her progress in the new job.