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Related to slipperier: discontented

*slippery as an eel

devious and untrustworthy, but impossible to catch. (*Also: as ~.) Don't sign a lease with that landlord; I think he's as slippery as an eel. The con artist was slippery as an eel. Although he defrauded many people, he never went to prison.
See also: eel, slippery

slippery customer

1. Fig. a clever and deceitful customer. Watch out for that guy with the big padded coat. He may snatch something. He's a real slippery customer.
2. Fig. a slippery creature. This little fish is a slippery customer. Get me something to scoop it back into its bowl.
See also: customer, slippery

slippery slope

a dangerous pathway or route to follow; a route that leads to trouble. The matter of euthanasia is a slippery slope with both legal and moral considerations.
See also: slippery, slope

on a slippery slope

in a situation that is likely to become more difficult or complicated We started arguing, and then we got on the slippery slope of what's fair and what's not fair. So far, we have taken only the first few steps toward a society in which different people would have different rights, but we are on a slippery slope.
Usage notes: sometimes used without on: Where does this slippery slope end?
See also: slippery, slope

a slippery slope

a situation or habit that is likely to lead to a worse situation or habit If you let kids stay up late a few nights you're on a slippery slope. My advice is to keep away from all drugs. It's a slippery slope.
See also: slippery, slope

be as slippery as an eel

someone who is as slippery as an eel cannot be trusted
Usage notes: An eel is a long fish which has a body like a snake.
You'd be mad to go into business with him. He's as slippery as an eel.
See also: eel, slippery

slippery as an eel

Elusive, devious, as in When it comes to talking about his investments, Jim's slippery as an eel. This simile, first recorded about 1412, alludes to the eel's skin, which has tiny scales and is quite slippery when wet.
See also: eel, slippery

slippery slope

A dangerous course, one that leads easily to catastrophe, as in He's on a slippery slope, compromising his values to please both the bosses and the union . This metaphoric expression alludes to traversing a slick hillside, in constant danger of falling. [Mid-1900s]
See also: slippery, slope
References in periodicals archive ?
I don't think you can be incredibly ideological, because if you say no to everything you won't, as a freelancer, be able to participate in most things," she says, adding that it's a slippery slope - "and the longer I'm here the slipperier the slope becomes.
Near-term nanotech developments will make materials tougher and lubricants slipperier.
And if anyone's slipperier than a jellied eel it's Max.
As Fletcher's dual and transgendered example might suggest, their relation to the proper name is slipperier, doubled or hidden, as though Stein, like Levine, had been reading Irigaray.
After all, the slipperier the body, the better the fuel efficiency.
If there is a slipperier slope for the liberties we cherish as Americans, I'm not sure what it would be.
Senior writer Matt Miller sets up the report with warning signs for dealmakers hunting for acquisition targets in the slowing economy, "Every drop of blood spilled on the floor in the technology sector makes the dance floor slipperier for potential software M&A partners.