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“Under the Weather”: Everyday Language for Feeling Unwell

Learn casual ways to say you do not feel well, with a clear boundary between idiom and health advice.

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Words and Their Stories · 6:32

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Source: VOA Learning English · Words and Their Stories

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This May 2020 episode explores “under the weather,” “as sick as a dog,” and related ways to describe feeling unwell. It also recounts a possible nautical origin in which sailors went below deck during rough weather. The expressions are useful for everyday conversation, but they do not assess how serious an illness is.

Cultural note: The source is a language lesson, not medical guidance. Use “under the weather” to describe how you feel; do not use it to decide whether someone needs medical care. People may interpret the phrase differently, so state symptoms plainly when clarity matters.

Keep exploring“I’m under the weather” is a natural way to say you do not feel well. It is a conversational phrase, not a diagnosis.

Phrase guide · 4 expressions

Explore the expressions

Original explanations and examples, created for learners. Save a card for later or hear the phrase spoken by your browser.

Describing how you feel

Use familiar, conversational phrases for feeling sick or tired.

under the weather

Meaning

Feeling somewhat unwell or not at your usual level.

Tone & use

Common and conversational. It is vague, so describe symptoms directly when someone needs clear information.

Example

“I’m feeling under the weather today, so I’ll join the meeting from home.”

NeutralInformal / idiomatic

as sick as a dog

Meaning

Feeling very ill.

Tone & use

Informal and emphatic; it can sound dramatic. Use plain language in health or emergency situations.

Example

“After the long ferry ride, I felt as sick as a dog.”

NegativeInformal / idiomatic

Energy and rest

Talk about fatigue without making a medical judgment.

worn out

Meaning

Extremely tired after effort, stress, or a long period of activity.

Tone & use

Often describes fatigue rather than illness. It can refer to a person or an object that is heavily used.

Example

“I felt worn out after moving boxes all afternoon.”

NegativeInformal

When clarity matters

Know when to replace an idiom with direct language.

come down with something

Meaning

Begin to experience an illness.

Tone & use

Usually followed by the name of an illness or by “something.” Avoid guessing a diagnosis; say what you know.

Example

“She thinks she may be coming down with a cold, so she is taking it easy.”

NeutralInformal / phrasal verb

Knowledge check

Try it

Choose the expression that best fits each situation.

Try it · Choose the best expression

1 of 3

You feel a little unwell and want to cancel a casual plan. What can you say?