See uttermost in Webster's New World Roget's A-Z Thesaurus II
adjective
Of the greatest possible degree, quality, or intensity:
extreme, supreme, transcendent, ultimate, unsurpassable, utmost. See better, bigGreatest in quantity or highest in degree that has been or can be attained:
maximal, maximum, top, topmost, ultimate, utmost. See high, limitedMost distant or remote, as from a center:
extreme, farthermost, farthest, furthermost, furthest, outermost, outmost, ultimate, utmost. See big, edge
noun
The greatest quantity or highest degree attainable:
maximum, outside, top, ultimate, utmost. Idiom: ne plus ultra. See high, limited
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