from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Farthest to the right: in the rightmost lane of the highway.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Furthest to the right.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. farthest to the right
From right + most. (Wiktionary)