from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Being or situated at the most distant limit or point; farthest: the utmost tip of the peninsula.
- adj. Of the highest or greatest degree, amount, or intensity; most extreme: a matter of the utmost importance.
- n. The greatest possible amount, degree, or extent; the maximum: worked every day to the utmost of her abilities.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Situated at the most distant limit; farthest
- adj. The most extreme; ultimate; greatest
- n. maximum; greatest possible amount or quantity.
from the GNU version of the Collaborative International Dictionary of English
- adj. Situated at the farthest point or extremity; farthest out; most distant; extreme.
- adj. Being in the greatest or highest degree, quantity, number, or the like; greatest.
- n. The most that can be; the farthest limit; the greatest power, degree, or effort.
from The Century Dictionary and Cyclopedia
- Being at the furthest point or extremity or bound; furthest; extreme; last.
- Of the greatest or highest degree, number, quantity, or the like: as, the utmost assiduity; the utmost harmony; the utmost misery or happiness.
- n. The extreme limit or extent.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the greatest possible degree
- adj. of the greatest possible degree or extent or intensity
- adj. highest in extent or degree
- adj. (comparatives of `far') most remote in space or time or order
Middle English, from Old English ūtmest : ūt, out; see ud- in Indo-European roots + -mest, -most.(American Heritage® Dictionary of the English Language, Fourth Edition)
Old English ut ("out") + -most (Wiktionary)