uttermost

Etymology
, alteration of. More at for the etymology of the latter element.

Adjective

 * 1) Outermost.
 * 2) Extreme; utmost; of the farthest, greatest, or highest degree.
 * 1) Extreme; utmost; of the farthest, greatest, or highest degree.
 * 1) Extreme; utmost; of the farthest, greatest, or highest degree.

Noun

 * 1) The utmost; the highest or greatest degree; the farthest extent.