The greatest possible capability, extent, or quantity; maximum.
"The team pushed their physical limits to reach the utmost speed required for the final sprint."
(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"
Situated at the most distant limit; farthest, outermost.
"The lighthouse stood at the utmost edge of the cliff, overlooking the vast ocean below."