Idiom

Slippery slope

neutralUS and UKTrouble idiomsLuck idioms

A slippery slope is a situation where one small step is likely to lead to more and more serious steps that are hard to stop.

How people use it

People use it to warn that a small change will snowball: "Letting one deadline slide is a slippery slope." Common patterns are "a slippery slope" and "start down a slippery slope." In logic and debate, the slippery slope argument names reasoning that claims, without good evidence, that one step will lead to a chain of bad results. So the phrase can be a sincere warning or a criticism of weak reasoning, depending on who is talking. The tone is neutral.

Also said: slippery slope argument.

Examples

Where it comes from

The image is simple: once you start sliding on a slippery hillside, it is hard to stop. English writers have used slippery slopes and paths as warnings about bad habits for centuries. Its use as the name for a type of argument became common in the 1900s.

Check yourself

1. What does it mean to call something a slippery slope?

2. Which sentence uses the idiom correctly?

Similar idioms

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