Synonyms and Antonyms for sidereal-day

1. sidereal day (n.)

the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

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2. present-day (adj.)

belonging to the present time

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7. day (n.)

the recurring hours when you are not sleeping (especially those when you are working)

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8. day (n.)

an era of existence or influence

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9. Day (n.)

United States writer best known for his autobiographical works (1874-1935)


10. day (n.)

a period of opportunity

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