"uppermost" in the adjective sense
1. topmost, uppermost, upmost
at or nearest to the top
"the uppermost book in the pile"
"on the topmost step"
"uppermost" in the adverb sense
1. uppermost
in or into the most prominent position, as in the mind
"say what comes uppermost"
2. uppermost
in or into the highest position
"the blade turned uppermost"
Source: WordNet® (An amazing lexical database of English)
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