meridian

adjective

  1. 1

    being at the best stage of development

    our manhood's prime vigor"- Robert Browning

  2. 2

    of or happening at noon

    meridian hour

noun

  1. 1

    an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator

    all points on the same meridian have the same longitude

  2. 2

    a town in eastern Mississippi

    all points on the same meridian have the same longitude

  3. 3

    the highest level or degree attainable; the highest stage of development

    his landscapes were deemed the acme of beauty

    the artist's gifts are at their acme

Synonyms

Also useful for “meridian”:Unscrambler