uppermost
adjective /ˈʌpəməʊst/
/ˈʌpərməʊst/
- [usually before noun] (formal) higher or nearer the top than other things
- the uppermost branches of the tree
- [not usually before noun] more important than other things in a particular situation
- These thoughts were uppermost in my mind.
- Defence is no longer uppermost in their priorities.