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uppermost

[uhp-er-mohst, -muhst] / ˈʌp ərˌmoʊst, -məst /
ADJECTIVE
top
Synonyms
WEAK
apical culminating highest loftiest most elevated topmost upmost
Antonyms
WEAK
bottom lower lowest trivial
ADJECTIVE
most important; chief
Synonyms
STRONGEST
paramount predominant tops
WEAK
best big boss dominant executive foremost greatest high-up leading main preeminent primary principal supreme the most winner world-class
Antonyms
STRONGEST
minor trivial
WEAK
bottom lower lowest

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.