Noah Webster
Utmost
UT'MOST, adjective
1. Extreme; being at the furthest point or extremity; as the utmost limit of North America; the utmost limits of the land; the utmost extent of human knowledge.
2. Being in the greatest or highest degree; as the utmost assiduity; the utmost harmony; the utmost misery or happiness; the utmost peril.
UT'MOST, noun The most that can be; the greatest power, degree or effort. He has done his utmost Try your utmost
I will be free even to the utmost as I please in words.