do one's utmost
Definition of do one's utmost
: to do all one can We did our utmost to help.
Word by Word Definitions
: situated at the farthest or most distant point : extreme
: of the greatest or highest degree, quantity, number, or amount
: the most possible : the extreme limit : the highest attainable point or degree
: the highest, greatest, or best of one's abilities, powers, and resources
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