· 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"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession"

Synonym(s): acme, height, elevation, peak, pinnacle, summit, superlative, tiptop, top

Hypernym(s): degree, level, stage, point

· a town in eastern Mississippi

Synonym(s): Meridian

· 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"

Synonym(s): line_of_longitude

Hypernym(s): great_circle

· of or happening at noon; "meridian hour"

· being at the best stage of development; "our manhood's prime vigor"- Robert Browning

Synonym(s): prime