Word Study
upmost
CIDE DICTIONARY
upmost, a. [Cf. Uppermost.].
Highest; topmost; uppermost. Spenser. Dryden. [1913 Webster]
THESAURUS
upmost
above, acmatic, acme, apex, apical, apogee, brow, cap, capital, chief, climax, cloud nine, consummate, crest, crown, culmen, culmination, edge, extreme limit, extremity, greater, head, headmost, heaven, heavens, height, high noon, higher, highest, highest pitch, highest point, limit, maximal, maximum, meridian, meridional, mountaintop, ne plus ultra, no place higher, noon, over, overmost, paramount, peak, pinnacle, pitch, point, pole, preeminent, ridge, seventh heaven, sky, spire, summit, summital, superior, supreme, tip, tip-top, top, topmost, ultimate, upper, upper extremity, uppermost, utmost, vertex, vertical, very top, zenith, zenithalFor further exploring for "upmost" in Webster Dictionary Online