/ˈʌtmoʊst/
ut·most
BrE /ˈʌtməʊst/
NAmE /ˈʌtmoʊst/
(also less frequent ut·ter·most) [only before noun]
greatest; most extreme
This is a matter of the utmost importance.
You should study this document with the utmost care.
ut·most
BrE /ˈʌtməʊst/
NAmE /ˈʌtmoʊst/
[sing.]
the greatest amount possible
Our resources are strained to the utmost.
He did his utmost (= tried as hard as possible) to persuade me not to go.