southmost

from WordNet (r) 3.0 (2006)
southmost
    adj 1: situated farthest south; "Key West is the southernmost
           city in the continental United States" [syn:
           {southernmost}, {southmost}]
from The Collaborative International Dictionary of English v.0.48
Southmost \South"most`\, a.
   Farthest toward the south; southernmost. [R.] --Milton.
   [1913 Webster]
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