the GNU version of the Collaborative International Dictionary of English
adj. Situated the farthest towards the west; most western.
The Century Dictionary and Cyclopedia
Furthest to the west; most western.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. farthest to the west
Word Usage
"A group of six westerners are clearly visible in a report by al-Jazeera from Dafniya, described as the westernmost point of the rebel lines west of Misrata."