adjective \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

Examples of UPPERMOST

  1. <the uppermost floor of the house gets very hot in the summer>

First Known Use of UPPERMOST

15th century


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