utmost
adjective /ˈʌtməʊst/
/ˈʌtməʊst/
(also less frequent uttermost)
[only before noun]- greatest; most extreme
- This is a matter of the utmost importance.
- You should study this document with the utmost care.
Oxford Collocations DictionaryUtmost is used with these nouns:- care
- caution
- courtesy
- …
Word OriginOld English ūt(e)mest ‘outermost’ (see out, -most).