Idiom

Under the Weather

Meaning: Feeling a little sick or unwell.

If someone says they’re “under the weather,” they mean they’re feeling sick. This phrase comes from old sailing days, when sailors who felt ill were sent below deck—literally under the weather deck—to recover. It became a common expression for not feeling well. So if you ever wake up with a sore throat or a headache, you might say, “I think I’ll stay home today—I’m feeling a bit under the weather.”

How to use it

Use it for mild illness, like a cold, a headache or feeling tired and run-down. It’s polite and very common at work, for example when you call in sick and don’t want to give details. It usually goes with “feel” or “be”: “I’m feeling a bit under the weather.”

Examples

A common mistake

Say under the weather, not “under weather” or “below the weather.” It’s for mild sickness, so don’t use it for something serious like a hospital stay. It also has nothing to do with bad weather outside.

Where it comes from

The most common story comes from sailing: sailors who felt seasick went below deck, away from the bad weather. This is often told but hard to prove. The phrase has been used for feeling ill since at least the 1800s.

Say it out loud

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Source: Grammar Monster

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