How to use "a slippery slope"

What Does "a slippery slope" Mean?

• The idiomatic meaning of "a slippery slope" refers to an argument or situation where an initial action or decision is believed to inevitably lead to a series of increasingly negative, undesirable, or dangerous consequences. It suggests a lack of control and an inevitable descent into something bad.
• The origin likely comes from the literal image of someone losing their footing on a slippery slope, gradually sliding down and being unable to stop themselves. The figurative use of the term became popular in the 20th century.
• Register: Neutral

How to Use It

• "A slippery slope" can be used as a noun phrase, often following verbs like "is," "creates," "starts down," or "becomes." It can be modified with adjectives (e.g., "a dangerous slippery slope"). It can also be used in questions (e.g., "Is this a slippery slope?") or negated (e.g., "This isn't a slippery slope.").
• Over-literal use or misinterpreting the figurative meaning can sound unnatural. For example, saying "The mountain path was a slippery slope" to simply describe a slick path is not idiomatic usage. Using it to describe any negative consequence, without the sense of inevitability and loss of control, is also incorrect.

Real-World Examples

These examples are sourced from a slippery slope on Ludwig.guru.

"This is a slippery slope." — The New York Times

"Freedom is a slippery slope." — The New York Times - Magazine

"Obama has started down a slippery slope." — BBC

"I say this creates a slippery slope." — The New York Times - Magazine

"There's a slippery slope here." — The New York Times

Examples sourced from https://ludwig.guru/s/a+slippery+slope

Similar Phrases and Alternatives

Phrase	Context
thin end of the wedge	Suggests a small initial action will lead to bigger, more problematic changes.
domino effect	Emphasizes a chain reaction of events, often with significant consequences.
downward spiral	Highlights a progressively worsening situation, focusing on decline.
Pandora's box	Refers to an action that unleashes unforeseen and widespread troubles.
can of worms	Describes a situation that, once opened or investigated, reveals a host of new and complicated problems.
slippery path	Very close in meaning; slightly less common than "slippery slope".
road to ruin	Implies a series of actions that will inevitably lead to destruction or failure.

Common Mistakes

• A common mistake is using "a slippery slope" to simply describe a bad outcome without the implied chain of events and loss of control. It's not just any negative result; it's a series of escalating negative results.
• Another error is using it in a literal context when a more direct description is appropriate. For example, describing an icy road as "a slippery slope" without the figurative meaning.
• Learners often misunderstand the figurative meaning and interpret it literally, or they use it in contexts where a more straightforward term like "downward spiral" would be more appropriate.

Quick-Reference Summary

Expression	Idiomatic Meaning	Register	Avoid In
a slippery slope	An action that inevitably leads to a series of increasingly negative consequences.	Neutral	Literal descriptions of physical slopes; simple negative outcomes without a chain reaction.

FAQs

Is "a slippery slope" ever used literally, or is it always figurative?

"A slippery slope" is primarily used figuratively to describe a situation where an action starts a chain reaction of negative consequences. While you could technically use it to describe a literal, physically slippery slope, that would be a non-idiomatic and likely confusing usage.

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How does "a slippery slope" differ from a "downward spiral"?

Both phrases describe negative situations, but "a slippery slope" emphasizes the initial action that triggers a series of increasingly bad events, implying a loss of control. A "downward spiral" focuses more on the continuous decline itself, without necessarily highlighting a specific starting point.

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What's a common mistake people make when using "a slippery slope," and how can I avoid it?

A common mistake is using "a slippery slope" to describe any negative outcome, even if it's not the result of a chain reaction. To avoid this, ensure that the situation involves an initial action leading to a sequence of increasingly undesirable consequences, creating the sense of inevitability that defines the idiom.