'Uppermost' definitions:

Definition of 'uppermost'

(from WordNet)
adverb
In or into the most prominent position, as in the mind; "say what comes uppermost"
adverb
In or into the highest position; "the blade turned uppermost"
adjective
At or nearest to the top; "the uppermost book in the pile"; "on the topmost step" [syn: topmost, uppermost, upmost]

Definition of 'Uppermost'

From: GCIDE
  • 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]

Synonyms of 'uppermost'

From: Moby Thesaurus