Situated at the farthest point or extremity; farthest out; most distant; extreme; as, the utmost limits of the land; the utmost extent of human knowledge.
Being in the greatest or highest degree, quantity, number, or the like; greatest; as, the utmost assiduity; the utmost harmony; the utmost misery or happiness.
The most that can be; the farthest limit; the greatest power, degree, or effort; as, he has done his utmost; try your utmost.
the greatest possible degree; "he tried his utmost"
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"
highest in extent or degree; "to the last measure of human endurance"; "whether they were accomplices in the last degree or a lesser one was...to be determined individually"
(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"