1archaic A person or thing regarded as excellent or perfect.utmost, optimum, last word, very limit, height, epitome, peak, pinnacle, acme, apex, apogee, zenith, culmination, perfection, nonpareil, extreme, extremity
2(also nonsuch)A small Eurasian medick which is widely grown as a constituent of grazing pasture.
Medicago lupulina, family Leguminosae
Early 17th century coined on the pattern of nonpareil.
Are You Learning English? Here Are Our Top English Tips