[syn: farthermost, farthest, furthermost, furthest, utmost, uttermost]
The Collaborative International Dictionary of English v.0.48:
Uttermost \Ut"ter*most\, a. [From Utter, a.; cf. Utmost, and
   Outermost.]
   Extreme; utmost; being; in the farthest, greatest, or highest
   degree; as, the uttermost extent or end. "In this uttermost
   distress." --Milton.
   [1913 Webster]
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Uttermost \Ut"ter*most`\, n.
   The utmost; the highest or greatest degree; the farthest
   extent. --Tennyson.
   [1913 Webster]
         Wherefore he is able also to save them to the uttermost
         that come unto God by him.               --Heb. vii.
                                                  25.
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         He cannot have sufficient honor done unto him; but the
         uttermost we can do, we must.            --Hooker.
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WordNet (r) 3.0 (2006):
uttermost
    adj 1: of the greatest possible degree or extent or intensity;
           "extreme cold"; "extreme caution"; "extreme pleasure";
           "utmost contempt"; "to the utmost degree"; "in the
           uttermost distress" [syn: extreme, utmost(a),
           uttermost(a)]
    2: (comparatives of `far') most remote in space or time or
       order; "had traveled to the farthest frontier"; "don't go
       beyond the farthermost (or furthermost) tree"; "explored the
       furthest reaches of space"; "the utmost tip of the peninsula"
       [syn: farthermost, farthest, furthermost, furthest,
       utmost, uttermost]
    n 1: the greatest possible degree; "he tried his utmost" [syn:
         utmost, uttermost, maximum, level best]