Which liquid has no water?

Liquids Without Water: Not All Are Meant to Drink

When we think of liquids, water often comes to mind—it's in juice, soda, even our tears. But not every liquid contains it. Take motor oil, for instance. It’s a fluid engineered for engines, not humans, and proudly contains zero water. That said, its lack of water is the least of your concerns if you’re thinking of taking a sip. It’s not a beverage. It’s not even close.

Some oils, like canola or olive oil, are technically ingestible and commonly found in kitchens. They’re derived from plants and used in cooking, dressings, or even health remedies (though that’s debatable). You could drink them—some people do, by the spoonful—but that doesn’t mean your stomach will thank you. Consuming large amounts of oil can lead to digestive upset, diarrhea, or just a greasy regret. Our bodies aren’t built to process oil like it’s water.

Still, the real takeaway here is about function. Motor oil lubricates pistons. Olive oil enhances a salad. Water hydrates cells. Each has a role, and swapping them can go poorly. Even liquids without water aren’t automatically safe to drink—some are downright dangerous when ingested.

So while it’s true that certain oils are water-free and technically “drinkable” in small amounts, that doesn’t make them beverages. Just because a liquid pours doesn’t mean it’s meant for your glass. Nature and chemistry have their boundaries, and it’s wise to respect them. Stick to water when you’re thirsty—your gut will sleep better.