Synonyms and Antonyms for dead-letter

1. dead letter (n.)

the state of something that has outlived its relevance

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4. letter (v.)

win an athletic letter

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6. dead (n.)

people who are no longer living

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7. dead (adj.)

not showing characteristics of life especially the capacity to sustain life; no longer exerting force or having energy or heat

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8. dead (adj.)

very tired

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9. dead (adj.)

physically inactive

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10. dead (adj.)

unerringly accurate

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