Continuous means happening without stopping or without breaks. A continuous line has no gaps in it; you could trace it from start to finish without lifting your pencil. A continuous sound keeps going without pausing. When a factory runs continuously, it operates all day and night without shutting down.

The word describes something that goes on and on without interruption. Rain might fall continuously for three days straight during a storm. A river flows continuously, never stopping its movement toward the sea. Background music in a store plays continuously throughout the day.

People sometimes confuse continuous with continual, but they're different. Continuous means truly non-stop: no breaks at all. Continual means happening repeatedly with brief pauses in between. If your little brother talks continuously during a car ride, he literally never stops talking. If he continually interrupts you, he keeps doing it over and over, but there are moments of quiet between interruptions.

In math, a continuous graph is one smooth curve with no jumps or breaks. In everyday life, continuous improvement means always getting better, steadily working at something without giving up or taking long breaks. When something is continuous, it just keeps going.