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redbird

Any of various red cars formerly used in the New York City subway system; or a train of such cars.

ˈɹɛdbəːdhistorical286 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026US

Any of various red cars formerly used in the New York City subway system; or a train of such cars.

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#2·Apr 27, 2026US

(slang) A capsule of secobarbital.

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#3·Apr 27, 2026US

(North America) Any of several unrelated American songbirds having red plumage.

For parents

Redbird means: Any of several unrelated American songbirds having red plumage.. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.

For ESL learners

redbird means: Any of several unrelated American songbirds having red plumage.. Register: neutral, standard English. A common learner mistake is using the word in a register it does not fit, or assuming a single global meaning; native speakers immediately notice when slang appears in formal contexts, so always check the surrounding register before producing it yourself. A formal-English equivalent (a synonym or descriptive phrase) is usually safer in writing. When in doubt, paraphrase rather than reuse the slang form.

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