n.
Pronunciation: ' ə t- ˌ m ō st, esp Southern -m ə st
Function: adjective
Etymology: Middle English, alteration of utmest, from Old English ū tmest, superlative adjective, from ū t out, adverb ― more at OUT
Date: before 12th century
1 : situated at the farthest or most distant point : EXTREME <the utmost point of the earth ― John Hunt>
2 : of the greatest or highest degree, quantity, number, or amount <a matter of utmost concern>