uppermost

uppermost
    adv 1: in or into the most prominent position, as in the mind;
           "say what comes uppermost"
    2: in or into the highest position; "the blade turned uppermost"
    adj 1: at or nearest to the top; "the uppermost book in the
           pile"; "on the topmost step" [syn: {topmost},
           {uppermost}, {upmost}]
    

Uppermost \Up"per*most`\, a. [From {Up}, {Upper}; formed like
   aftermost. Cf. {Upmost}.]
   Highest in place, position, rank, power, or the like; upmost;
   supreme.
   [1913 Webster]

         Whatever faction happens to be uppermost. --Swift.
   [1913 Webster]
    

56 Moby Thesaurus words for "uppermost":
      above, acmatic, all-absorbing, apical, best, capital, cardinal,
      chief, consummate, controlling, dominant, first, first-class,
      first-rate, foremost, greater, greatest, head, headmost, higher,
      highest, leading, loftiest, main, master, maximal, maximum,
      meridian, meridional, most, over, overmost, overriding, overruling,
      paramount, predominant, preeminent, premier, primary, prime,
      principal, ranking, summital, superior, superlative, supreme,
      tip-top, top, top-notch, topmost, ultimate, upmost, upper, utmost,
      vertical, zenithal