Zenith meaning

zēnĭth
The definition of a zenith is the highest point or peak.

An example of a zenith is the highest point in the sky.

A ten-year period in the 1980s when a career was most successful is an example of a zenith.

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The highest point above the observer's horizon attained by a celestial body.
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(astronomy) The highest point in the sky reached by a celestial body.
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The point directly overhead in the sky or on the celestial sphere.
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The highest point; peak.
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The point on the celestial sphere that is directly above the observer (90 degrees above the celestial horizon ).
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(astronomy) The point in the sky vertically above a given position or observer; the point in the celestial sphere opposite the nadir.
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Highest point or state; peak.
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The point on the celestial sphere that is directly above the observer.
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The point of culmination; the peak.

The zenith of her career.

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The upper region of the sky.
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Origin of zenith

  • Middle English senith from Old French cenith from Medieval Latin from Arabic samt (ar-ra’s) path (over the head) from Latin sēmita path mei-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English senith, from cinit, from Old French cenit and/or Latin cenit, a transliteration of Arabic سمت (samt, “direction, path") which is in itself a weak abbreviation of سمت الرأس (samt ar-ra's, “direction of the head").

    From Wiktionary