IdiomBody & SensesEnglish

keep your chin up

Meaning: to remain optimistic; to stay courageous during difficulty.

Example: “Keep your chin up; you'll find another apartment soon.”

Origin: Rests on posture that reads the same everywhere: dejection drops the head and pulls the chin toward the chest, while raising the chin is the physical signature of composure and defiance. Because the posture and the mood reinforce each other in both directions — holding the head up genuinely does make a person feel steadier — the instruction is less metaphorical than it sounds. The phrase is American and attested from around 1900, and it became strongly associated with civilian morale during the World Wars, when it was used less as advice about how to feel than as advice about how to carry oneself while feeling something else entirely.

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