Dictionary

uppermost

adjective up·per·most \ˈə-pər-ˌmōst\

: highest in position or importance

Full Definition of UPPERMOST

:  situated in the highest or most prominent position <the uppermost layer> <safety was uppermost in their minds>
uppermost adverb
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First Known Use of UPPERMOST

15th century
UPPERMOST Defined for Kids

uppermost

adjective up·per·most \ˈə-pər-ˌmōst\

Definition of UPPERMOST for Kids

1
:  farthest up <the uppermost branches of a tree>
2
:  being in the most important position <The thought is uppermost in my mind.>

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